Most Important Questions for Class 12 Chemistry. Try first, then reveal the answer. These are exam-oriented practice items, not copied board papers.
Practice questions aligned to NCERT topics used in CBSE classrooms. These are original exam-oriented questions for revision — not official CBSE board papers and not a guarantee of any exam question. Always match the textbook issued by your school and the latest PDFs on ncert.nic.in and cbseacademic.nic.in.
Answers opened: 0
Practice set
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Solutions in the chapter Solutions.
A. Ideal vs non-ideal
B. Solutions is an NCERT chapter taught in CBSE Class 12 Chemistry
C. Molarity, molality, mole fraction
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
C. Molarity, molality, mole fraction
Explanation
Molarity, molality, mole fraction. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Solutions · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q5MCQ1 markModerateRevision pick
Choose the correct statement related to Solutions in the chapter Solutions.
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. van’t Hoff factor i
C. Mix MCQs with short answers so you remember both facts and explanations from Solutions
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer
B. van’t Hoff factor i
Explanation
van’t Hoff factor i. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Solutions · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q9MCQ1 markEasyRevision pick
Choose the correct statement related to Examples in the chapter Solutions.
A. Write three points from Solutions in your own words; that is enough for a short-answer start
B. This idea is not part of the NCERT chapter
C. CBSE often tests a concept by asking a daily-life example from the same chapter
D. Molarity, molality, mole fraction
Answer
C. CBSE often tests a concept by asking a daily-life example from the same chapter
Explanation
CBSE often tests a concept by asking a daily-life example from the same chapter. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Solutions · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q13MCQ1 markEasyRevision pick
Choose the correct statement related to Practice in the chapter Solutions.
A. The textbook says the opposite of this statement
B. van’t Hoff factor i
C. Mix MCQs with short answers so you remember both facts and explanations from Solutions
D. Raoult’s law
Answer
C. Mix MCQs with short answers so you remember both facts and explanations from Solutions
Explanation
Mix MCQs with short answers so you remember both facts and explanations from Solutions. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Solutions · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q17MCQ1 markEasyRevision pick
Choose the correct statement related to Solutions in the chapter Solutions.
A. ΔTb, ΔTf, osmotic pressure
B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
D. Ideal vs non-ideal
Answer
A. ΔTb, ΔTf, osmotic pressure
Explanation
ΔTb, ΔTf, osmotic pressure. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Solutions · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q413 Mark3 marksModerateRevision pick
Explain Solutions in about three points, with one example.
Answer
Raoult’s law. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
Explanation
Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Solutions · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Electrochemistry in the chapter Electrochemistry.
A. Electrochemistry is an NCERT chapter taught in CBSE Class 12 Chemistry
B. CBSE often tests a concept by asking a daily-life example from the same chapter
C. Daniel cell
D. Λm and κ
Answer
C. Daniel cell
Explanation
Daniel cell. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Electrochemistry · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q5MCQ1 markModerateRevision pick
Choose the correct statement related to Electrochemistry in the chapter Electrochemistry.
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. Batteries and fuel cells as in chapter
C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
D. Mix MCQs with short answers so you remember both facts and explanations from Electrochemistry
Answer
B. Batteries and fuel cells as in chapter
Explanation
Batteries and fuel cells as in chapter. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Electrochemistry · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q9MCQ1 markEasyRevision pick
Choose the correct statement related to Examples in the chapter Electrochemistry.
A. This idea is not part of the NCERT chapter
B. CBSE often tests a concept by asking a daily-life example from the same chapter
C. Daniel cell
D. Write three points from Electrochemistry in your own words; that is enough for a short-answer start
Answer
B. CBSE often tests a concept by asking a daily-life example from the same chapter
Explanation
CBSE often tests a concept by asking a daily-life example from the same chapter. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Electrochemistry · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q13MCQ1 markEasyRevision pick
Choose the correct statement related to Practice in the chapter Electrochemistry.
A. The textbook says the opposite of this statement
B. Nernst equation
C. Batteries and fuel cells as in chapter
D. Mix MCQs with short answers so you remember both facts and explanations from Electrochemistry
Answer
D. Mix MCQs with short answers so you remember both facts and explanations from Electrochemistry
Explanation
Mix MCQs with short answers so you remember both facts and explanations from Electrochemistry. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Electrochemistry · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q17MCQ1 markEasyRevision pick
Choose the correct statement related to Electrochemistry in the chapter Electrochemistry.
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. Faraday’s laws
C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
D. Λm and κ
Answer
B. Faraday’s laws
Explanation
Faraday’s laws. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Electrochemistry · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q413 Mark3 marksModerateRevision pick
Explain Electrochemistry in about three points, with one example.
Answer
Nernst equation. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
Explanation
Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Electrochemistry · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Chemical Kinetics in the chapter Chemical Kinetics.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. Rate law
C. First order t½=0.693/k
D. Chemical Kinetics is an NCERT chapter taught in CBSE Class 12 Chemistry
Answer
B. Rate law
Explanation
Rate law. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Chemical Kinetics · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q5MCQ1 markModerateRevision pick
Choose the correct statement related to Chemical Kinetics in the chapter Chemical Kinetics.
A. Collision theory outline
B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
C. Mix MCQs with short answers so you remember both facts and explanations from Chemical Kinetics
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer
A. Collision theory outline
Explanation
Collision theory outline. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Chemical Kinetics · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q9MCQ1 markEasyRevision pick
Choose the correct statement related to Examples in the chapter Chemical Kinetics.
A. Write three points from Chemical Kinetics in your own words; that is enough for a short-answer start
B. This idea is not part of the NCERT chapter
C. Rate law
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Explanation
CBSE often tests a concept by asking a daily-life example from the same chapter. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Chemical Kinetics · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q13MCQ1 markEasyRevision pick
Choose the correct statement related to Practice in the chapter Chemical Kinetics.
A. The textbook says the opposite of this statement
B. Mix MCQs with short answers so you remember both facts and explanations from Chemical Kinetics
C. Order vs molecularity
D. Collision theory outline
Answer
B. Mix MCQs with short answers so you remember both facts and explanations from Chemical Kinetics
Explanation
Mix MCQs with short answers so you remember both facts and explanations from Chemical Kinetics. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Chemical Kinetics · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q17MCQ1 markEasyRevision pick
Choose the correct statement related to Chemical Kinetics in the chapter Chemical Kinetics.
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. First order t½=0.693/k
C. Arrhenius k=Ae^{−Ea/RT}
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer
C. Arrhenius k=Ae^{−Ea/RT}
Explanation
Arrhenius k=Ae^{−Ea/RT}. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Chemical Kinetics · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q413 Mark3 marksModerateRevision pick
Explain Chemical Kinetics in about three points, with one example.
Answer
Order vs molecularity. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
Explanation
Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Chemical Kinetics · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to The d- and f-Block Elements in the chapter The d- and f-Block Elements.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. Variable oxidation states
C. Coloured ions
D. The d- and f-Block Elements is an NCERT chapter taught in CBSE Class 12 Chemistry
Answer
B. Variable oxidation states
Explanation
Variable oxidation states. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: The d- and f-Block Elements · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q5MCQ1 markModerateRevision pick
Choose the correct statement related to The d- and f-Block Elements in the chapter The d- and f-Block Elements.
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. KMnO4, K2Cr2O7 as in text
C. Mix MCQs with short answers so you remember both facts and explanations from The d- and f-Block Elements
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer
B. KMnO4, K2Cr2O7 as in text
Explanation
KMnO4, K2Cr2O7 as in text. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: The d- and f-Block Elements · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q9MCQ1 markEasyRevision pick
Choose the correct statement related to Examples in the chapter The d- and f-Block Elements.
A. Write three points from The d- and f-Block Elements in your own words; that is enough for a short-answer start
B. This idea is not part of the NCERT chapter
C. Variable oxidation states
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Explanation
CBSE often tests a concept by asking a daily-life example from the same chapter. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: The d- and f-Block Elements · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q13MCQ1 markEasyRevision pick
Choose the correct statement related to Practice in the chapter The d- and f-Block Elements.
A. The textbook says the opposite of this statement
B. Mix MCQs with short answers so you remember both facts and explanations from The d- and f-Block Elements
C. Catalytic properties
D. KMnO4, K2Cr2O7 as in text
Answer
B. Mix MCQs with short answers so you remember both facts and explanations from The d- and f-Block Elements
Explanation
Mix MCQs with short answers so you remember both facts and explanations from The d- and f-Block Elements. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: The d- and f-Block Elements · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q17MCQ1 markEasyRevision pick
Choose the correct statement related to The d- and f-Block Elements in the chapter The d- and f-Block Elements.
A. Lanthanoid contraction
B. Coloured ions
C. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer
A. Lanthanoid contraction
Explanation
Lanthanoid contraction. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: The d- and f-Block Elements · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q413 Mark3 marksModerateRevision pick
Explain The d- and f-Block Elements in about three points, with one example.
Answer
Catalytic properties. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
Explanation
Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: The d- and f-Block Elements · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Coordination Compounds in the chapter Coordination Compounds.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. Coordination number
C. Coordination Compounds is an NCERT chapter taught in CBSE Class 12 Chemistry
D. Isomerism
Answer
B. Coordination number
Explanation
Coordination number. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Coordination Compounds · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q5MCQ1 markModerateRevision pick
Choose the correct statement related to Importance in the chapter Coordination Compounds.
A. Mix MCQs with short answers so you remember both facts and explanations from Coordination Compounds
B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
C. Importance: haemoglobin, EDTA
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer
C. Importance: haemoglobin, EDTA
Explanation
Importance: haemoglobin, EDTA. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Coordination Compounds · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q9MCQ1 markEasyRevision pick
Choose the correct statement related to Examples in the chapter Coordination Compounds.
A. This idea is not part of the NCERT chapter
B. Coordination number
C. CBSE often tests a concept by asking a daily-life example from the same chapter
D. Write three points from Coordination Compounds in your own words; that is enough for a short-answer start
Answer
C. CBSE often tests a concept by asking a daily-life example from the same chapter
Explanation
CBSE often tests a concept by asking a daily-life example from the same chapter. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Coordination Compounds · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q13MCQ1 markEasyRevision pick
Choose the correct statement related to Practice in the chapter Coordination Compounds.
A. The textbook says the opposite of this statement
B. Mix MCQs with short answers so you remember both facts and explanations from Coordination Compounds
C. Importance: haemoglobin, EDTA
D. IUPAC names
Answer
B. Mix MCQs with short answers so you remember both facts and explanations from Coordination Compounds
Explanation
Mix MCQs with short answers so you remember both facts and explanations from Coordination Compounds. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Coordination Compounds · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q17MCQ1 markEasyRevision pick
Choose the correct statement related to Coordination Compounds in the chapter Coordination Compounds.
A. VBT vs CFT
B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
C. Isomerism
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer
A. VBT vs CFT
Explanation
VBT vs CFT. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Coordination Compounds · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q413 Mark3 marksModerateRevision pick
Explain Coordination Compounds in about three points, with one example.
Answer
IUPAC names. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
Explanation
Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Coordination Compounds · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Haloalkanes and Haloarenes in the chapter Haloalkanes and Haloarenes.
A. Aryl halides less reactive to SN
B. CBSE often tests a concept by asking a daily-life example from the same chapter
C. SN1 and SN2
D. Haloalkanes and Haloarenes is an NCERT chapter taught in CBSE Class 12 Chemistry
Answer
C. SN1 and SN2
Explanation
SN1 and SN2. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Haloalkanes and Haloarenes · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q5MCQ1 markModerateRevision pick
Choose the correct statement related to Haloalkanes and Haloarenes in the chapter Haloalkanes and Haloarenes.
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. Mix MCQs with short answers so you remember both facts and explanations from Haloalkanes and Haloarenes
C. Grignard intro
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer
C. Grignard intro
Explanation
Grignard intro. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Haloalkanes and Haloarenes · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q9MCQ1 markEasyRevision pick
Choose the correct statement related to Examples in the chapter Haloalkanes and Haloarenes.
A. This idea is not part of the NCERT chapter
B. CBSE often tests a concept by asking a daily-life example from the same chapter
C. Write three points from Haloalkanes and Haloarenes in your own words; that is enough for a short-answer start
D. SN1 and SN2
Answer
B. CBSE often tests a concept by asking a daily-life example from the same chapter
Explanation
CBSE often tests a concept by asking a daily-life example from the same chapter. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Haloalkanes and Haloarenes · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q13MCQ1 markEasyRevision pick
Choose the correct statement related to Practice in the chapter Haloalkanes and Haloarenes.
A. The textbook says the opposite of this statement
B. Grignard intro
C. Mix MCQs with short answers so you remember both facts and explanations from Haloalkanes and Haloarenes
D. Optical isomerism in haloalkanes
Answer
C. Mix MCQs with short answers so you remember both facts and explanations from Haloalkanes and Haloarenes
Explanation
Mix MCQs with short answers so you remember both facts and explanations from Haloalkanes and Haloarenes. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Haloalkanes and Haloarenes · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q17MCQ1 markEasyRevision pick
Choose the correct statement related to Haloalkanes and Haloarenes in the chapter Haloalkanes and Haloarenes.
A. Aryl halides less reactive to SN
B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
D. Environmental note on halo compounds
Answer
D. Environmental note on halo compounds
Explanation
Environmental note on halo compounds. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Haloalkanes and Haloarenes · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q413 Mark3 marksModerateRevision pick
Explain Haloalkanes and Haloarenes in about three points, with one example.
Answer
Optical isomerism in haloalkanes. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
Explanation
Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Haloalkanes and Haloarenes · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Acidity in the chapter Alcohols, Phenols and Ethers.
A. CBSE often tests a concept by asking a daily-life example from the same chapter
B. Acidity: phenol > water > alcohol
C. Kolbe, Reimer–Tiemann as in NCERT
D. Alcohols, Phenols and Ethers is an NCERT chapter taught in CBSE Class 12 Chemistry
Answer
B. Acidity: phenol > water > alcohol
Explanation
Acidity: phenol > water > alcohol. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Alcohols, Phenols and Ethers · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q5MCQ1 markModerateRevision pick
Choose the correct statement related to Alcohols, Phenols and Ethers in the chapter Alcohols, Phenols and Ethers.
A. Mix MCQs with short answers so you remember both facts and explanations from Alcohols, Phenols and Ethers
B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
C. Methanol and ethanol uses
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer
C. Methanol and ethanol uses
Explanation
Methanol and ethanol uses. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Alcohols, Phenols and Ethers · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q9MCQ1 markEasyRevision pick
Choose the correct statement related to Examples in the chapter Alcohols, Phenols and Ethers.
A. This idea is not part of the NCERT chapter
B. Write three points from Alcohols, Phenols and Ethers in your own words; that is enough for a short-answer start
C. CBSE often tests a concept by asking a daily-life example from the same chapter
D. Acidity: phenol > water > alcohol
Answer
C. CBSE often tests a concept by asking a daily-life example from the same chapter
Explanation
CBSE often tests a concept by asking a daily-life example from the same chapter. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Alcohols, Phenols and Ethers · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q13MCQ1 markEasyRevision pick
Choose the correct statement related to Practice in the chapter Alcohols, Phenols and Ethers.
A. The textbook says the opposite of this statement
B. Lucas test
C. Methanol and ethanol uses
D. Mix MCQs with short answers so you remember both facts and explanations from Alcohols, Phenols and Ethers
Answer
D. Mix MCQs with short answers so you remember both facts and explanations from Alcohols, Phenols and Ethers
Explanation
Mix MCQs with short answers so you remember both facts and explanations from Alcohols, Phenols and Ethers. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Alcohols, Phenols and Ethers · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q17MCQ1 markEasyRevision pick
Choose the correct statement related to Alcohols, Phenols and Ethers in the chapter Alcohols, Phenols and Ethers.
A. Kolbe, Reimer–Tiemann as in NCERT
B. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
C. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
D. Williamson synthesis
Answer
D. Williamson synthesis
Explanation
Williamson synthesis. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Alcohols, Phenols and Ethers · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q413 Mark3 marksModerateRevision pick
Explain Alcohols, Phenols and Ethers in about three points, with one example.
Answer
Lucas test. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
Explanation
Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Alcohols, Phenols and Ethers · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q1MCQ1 markEasyRevision pick
Choose the correct statement related to Aldehydes, Ketones and Carboxylic Acids in the chapter Aldehydes, Ketones and Carboxylic Acids.
A. Tollens, Fehling
B. Nucleophilic addition
C. CBSE often tests a concept by asking a daily-life example from the same chapter
D. Aldehydes, Ketones and Carboxylic Acids is an NCERT chapter taught in CBSE Class 12 Chemistry
Answer
B. Nucleophilic addition
Explanation
Nucleophilic addition. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Aldehydes, Ketones and Carboxylic Acids · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q5MCQ1 markModerateRevision pick
Choose the correct statement related to Aldehydes, Ketones and Carboxylic Acids in the chapter Aldehydes, Ketones and Carboxylic Acids.
A. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
B. Mix MCQs with short answers so you remember both facts and explanations from Aldehydes, Ketones and Carboxylic Acids
C. Hell–Volhard–Zelinsky if included
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer
C. Hell–Volhard–Zelinsky if included
Explanation
Hell–Volhard–Zelinsky if included. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Aldehydes, Ketones and Carboxylic Acids · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q9MCQ1 markEasyRevision pick
Choose the correct statement related to Examples in the chapter Aldehydes, Ketones and Carboxylic Acids.
A. Nucleophilic addition
B. This idea is not part of the NCERT chapter
C. Write three points from Aldehydes, Ketones and Carboxylic Acids in your own words; that is enough for a short-answer start
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Explanation
CBSE often tests a concept by asking a daily-life example from the same chapter. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Aldehydes, Ketones and Carboxylic Acids · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q13MCQ1 markEasyRevision pick
Choose the correct statement related to Practice in the chapter Aldehydes, Ketones and Carboxylic Acids.
A. Hell–Volhard–Zelinsky if included
B. The textbook says the opposite of this statement
C. Aldol, Cannizzaro as in syllabus
D. Mix MCQs with short answers so you remember both facts and explanations from Aldehydes, Ketones and Carboxylic Acids
Answer
D. Mix MCQs with short answers so you remember both facts and explanations from Aldehydes, Ketones and Carboxylic Acids
Explanation
Mix MCQs with short answers so you remember both facts and explanations from Aldehydes, Ketones and Carboxylic Acids. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Aldehydes, Ketones and Carboxylic Acids · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q17MCQ1 markEasyRevision pick
Choose the correct statement related to Aldehydes, Ketones and Carboxylic Acids in the chapter Aldehydes, Ketones and Carboxylic Acids.
A. Acidity of carboxylic acids
B. Tollens, Fehling
C. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer
A. Acidity of carboxylic acids
Explanation
Acidity of carboxylic acids. The other options mix ideas from nearby topics or reverse the textbook fact.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Aldehydes, Ketones and Carboxylic Acids · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q413 Mark3 marksModerateRevision pick
Explain Aldehydes, Ketones and Carboxylic Acids in about three points, with one example.
Answer
Aldol, Cannizzaro as in syllabus. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
Explanation
Three-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
Meta
Class: Class 12 · Subject: Chemistry · Chapter: Aldehydes, Ketones and Carboxylic Acids · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
FAQs
Are these official CBSE board questions?
No. They are original practice questions aligned to NCERT topics used in CBSE classrooms. Official sample papers are published on cbseacademic.nic.in.
Will these questions appear in the board exam?
Nobody can promise a question. Use them for revision of frequently tested concepts and exam-style practice.
Is the chapter list the latest NCERT list?
Yes, the catalog follows current NCERT textbooks used in CBSE schools (including new middle-stage books such as Ganita Prakash and Curiosity). Always match the book issued by your school.
Where are NCERT solutions?
Open the NCERT-style practice link on this subject or chapter. For word-for-word textbook exercise answers, use the NCERT book itself; we do not copy solution keys from other websites.
What is the suggested URL pattern?
Hub /cbse/, then /cbse/class-12/, then subject and chapter slugs.
Why is this a separate URL?
So students searching for “Most Important Questions” land on a filtered set, while the chapter page remains the full 100-question bank. Same facts, different search intent.
Today's 3-step path
Follow this loop every day: mixed test, current affairs, then today's subject. A new set arrives tomorrow.
