HOTS Questions for Class 11 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
Q91HOTS3 marksModerate
HOTS: If someone ignored the idea “Mix MCQs with short answers so you remember both facts and explanations from Some Basic Concepts of Chemistry”, what mistake could they make while solving a question from Some Basic Concepts of Chemistry?
Answer
They would use the wrong term or the reverse relation. Remember: Mix MCQs with short answers so you remember both facts and explanations from Some Basic Concepts of Chemistry. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Some Basic Concepts of Chemistry · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q92HOTS3 marksModerate
HOTS: If someone ignored the idea “Mole is 6.022×10²³ particles”, what mistake could they make while solving a question from Some Basic Concepts of Chemistry?
Answer
They would use the wrong term or the reverse relation. Remember: Mole is 6.022×10²³ particles. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Some Basic Concepts of Chemistry · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q93HOTS3 marksDifficultRevision pick
HOTS: If someone ignored the idea “Molarity = moles/litre”, what mistake could they make while solving a question from Some Basic Concepts of Chemistry?
Answer
They would use the wrong term or the reverse relation. Remember: Molarity = moles/litre. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Some Basic Concepts of Chemistry · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q94HOTS3 marksModerate
HOTS: If someone ignored the idea “Limiting reagent”, what mistake could they make while solving a question from Some Basic Concepts of Chemistry?
Answer
They would use the wrong term or the reverse relation. Remember: Limiting reagent. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Some Basic Concepts of Chemistry · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q95HOTS3 marksModerate
HOTS: If someone ignored the idea “Empirical vs molecular formula”, what mistake could they make while solving a question from Some Basic Concepts of Chemistry?
Answer
They would use the wrong term or the reverse relation. Remember: Empirical vs molecular formula. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Some Basic Concepts of Chemistry · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q96HOTS3 marksDifficult
HOTS: If someone ignored the idea “Laws of chemical combination”, what mistake could they make while solving a question from Some Basic Concepts of Chemistry?
Answer
They would use the wrong term or the reverse relation. Remember: Laws of chemical combination. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Some Basic Concepts of Chemistry · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q91HOTS3 marksModerate
HOTS: If someone ignored the idea “Mix MCQs with short answers so you remember both facts and explanations from Structure of Atom”, what mistake could they make while solving a question from Structure of Atom?
Answer
They would use the wrong term or the reverse relation. Remember: Mix MCQs with short answers so you remember both facts and explanations from Structure of Atom. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Structure of Atom · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q92HOTS3 marksModerate
HOTS: If someone ignored the idea “Photon E=hν”, what mistake could they make while solving a question from Structure of Atom?
Answer
They would use the wrong term or the reverse relation. Remember: Photon E=hν. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Structure of Atom · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q93HOTS3 marksDifficultRevision pick
HOTS: If someone ignored the idea “Bohr model limits”, what mistake could they make while solving a question from Structure of Atom?
Answer
They would use the wrong term or the reverse relation. Remember: Bohr model limits. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Structure of Atom · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q94HOTS3 marksModerate
HOTS: If someone ignored the idea “n, l, m, s”, what mistake could they make while solving a question from Structure of Atom?
Answer
They would use the wrong term or the reverse relation. Remember: n, l, m, s. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Structure of Atom · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q95HOTS3 marksModerate
HOTS: If someone ignored the idea “Aufbau, Pauli, Hund”, what mistake could they make while solving a question from Structure of Atom?
Answer
They would use the wrong term or the reverse relation. Remember: Aufbau, Pauli, Hund. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Structure of Atom · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q96HOTS3 marksDifficult
HOTS: If someone ignored the idea “Dual nature of electron”, what mistake could they make while solving a question from Structure of Atom?
Answer
They would use the wrong term or the reverse relation. Remember: Dual nature of electron. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Structure of Atom · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q91HOTS3 marksModerate
HOTS: If someone ignored the idea “Mix MCQs with short answers so you remember both facts and explanations from Classification of Elements and Periodicity in Properties”, what mistake could they make while solving a question from Classification of Elements and Periodicity in Properties?
Answer
They would use the wrong term or the reverse relation. Remember: Mix MCQs with short answers so you remember both facts and explanations from Classification of Elements and Periodicity in Properties. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Classification of Elements and Periodicity in Properties · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q92HOTS3 marksModerate
HOTS: If someone ignored the idea “Modern table is Z-based”, what mistake could they make while solving a question from Classification of Elements and Periodicity in Properties?
Answer
They would use the wrong term or the reverse relation. Remember: Modern table is Z-based. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Classification of Elements and Periodicity in Properties · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q93HOTS3 marksDifficultRevision pick
HOTS: If someone ignored the idea “s, p, d, f blocks”, what mistake could they make while solving a question from Classification of Elements and Periodicity in Properties?
Answer
They would use the wrong term or the reverse relation. Remember: s, p, d, f blocks. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Classification of Elements and Periodicity in Properties · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q94HOTS3 marksModerate
HOTS: If someone ignored the idea “Atomic radius decreases across a period”, what mistake could they make while solving a question from Classification of Elements and Periodicity in Properties?
Answer
They would use the wrong term or the reverse relation. Remember: Atomic radius decreases across a period. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Classification of Elements and Periodicity in Properties · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q95HOTS3 marksModerate
HOTS: If someone ignored the idea “Ionisation enthalpy”, what mistake could they make while solving a question from Classification of Elements and Periodicity in Properties?
Answer
They would use the wrong term or the reverse relation. Remember: Ionisation enthalpy. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Classification of Elements and Periodicity in Properties · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q96HOTS3 marksDifficult
HOTS: If someone ignored the idea “Electronegativity”, what mistake could they make while solving a question from Classification of Elements and Periodicity in Properties?
Answer
They would use the wrong term or the reverse relation. Remember: Electronegativity. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Classification of Elements and Periodicity in Properties · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q91HOTS3 marksModerate
HOTS: If someone ignored the idea “Mix MCQs with short answers so you remember both facts and explanations from Chemical Bonding and Molecular Structure”, what mistake could they make while solving a question from Chemical Bonding and Molecular Structure?
Answer
They would use the wrong term or the reverse relation. Remember: Mix MCQs with short answers so you remember both facts and explanations from Chemical Bonding and Molecular Structure. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Chemical Bonding and Molecular Structure · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q92HOTS3 marksModerate
HOTS: If someone ignored the idea “Octet exceptions”, what mistake could they make while solving a question from Chemical Bonding and Molecular Structure?
Answer
They would use the wrong term or the reverse relation. Remember: Octet exceptions. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Chemical Bonding and Molecular Structure · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q93HOTS3 marksDifficultRevision pick
HOTS: If someone ignored the idea “VSEPR shapes”, what mistake could they make while solving a question from Chemical Bonding and Molecular Structure?
Answer
They would use the wrong term or the reverse relation. Remember: VSEPR shapes. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Chemical Bonding and Molecular Structure · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q94HOTS3 marksModerate
HOTS: If someone ignored the idea “σ and π bonds”, what mistake could they make while solving a question from Chemical Bonding and Molecular Structure?
Answer
They would use the wrong term or the reverse relation. Remember: σ and π bonds. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Chemical Bonding and Molecular Structure · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q95HOTS3 marksModerate
HOTS: If someone ignored the idea “Hybridisation”, what mistake could they make while solving a question from Chemical Bonding and Molecular Structure?
Answer
They would use the wrong term or the reverse relation. Remember: Hybridisation. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Chemical Bonding and Molecular Structure · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q96HOTS3 marksDifficult
HOTS: If someone ignored the idea “Hydrogen bond”, what mistake could they make while solving a question from Chemical Bonding and Molecular Structure?
Answer
They would use the wrong term or the reverse relation. Remember: Hydrogen bond. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Chemical Bonding and Molecular Structure · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q91HOTS3 marksModerate
HOTS: If someone ignored the idea “Mix MCQs with short answers so you remember both facts and explanations from Thermodynamics”, what mistake could they make while solving a question from Thermodynamics?
Answer
They would use the wrong term or the reverse relation. Remember: Mix MCQs with short answers so you remember both facts and explanations from Thermodynamics. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Thermodynamics · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q92HOTS3 marksModerate
HOTS: If someone ignored the idea “ΔU=q+w (chemistry sign: w=−PΔV)”, what mistake could they make while solving a question from Thermodynamics?
Answer
They would use the wrong term or the reverse relation. Remember: ΔU=q+w (chemistry sign: w=−PΔV). Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Thermodynamics · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q93HOTS3 marksDifficultRevision pick
HOTS: If someone ignored the idea “Hess’s law”, what mistake could they make while solving a question from Thermodynamics?
Answer
They would use the wrong term or the reverse relation. Remember: Hess’s law. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Thermodynamics · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q94HOTS3 marksModerate
HOTS: If someone ignored the idea “ΔG=ΔH−TΔS”, what mistake could they make while solving a question from Thermodynamics?
Answer
They would use the wrong term or the reverse relation. Remember: ΔG=ΔH−TΔS. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Thermodynamics · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q95HOTS3 marksModerate
HOTS: If someone ignored the idea “Extensive vs intensive”, what mistake could they make while solving a question from Thermodynamics?
Answer
They would use the wrong term or the reverse relation. Remember: Extensive vs intensive. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Thermodynamics · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q96HOTS3 marksDifficult
HOTS: If someone ignored the idea “Standard enthalpy of formation”, what mistake could they make while solving a question from Thermodynamics?
Answer
They would use the wrong term or the reverse relation. Remember: Standard enthalpy of formation. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Thermodynamics · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q91HOTS3 marksModerate
HOTS: If someone ignored the idea “Mix MCQs with short answers so you remember both facts and explanations from Equilibrium”, what mistake could they make while solving a question from Equilibrium?
Answer
They would use the wrong term or the reverse relation. Remember: Mix MCQs with short answers so you remember both facts and explanations from Equilibrium. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Equilibrium · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q92HOTS3 marksModerate
HOTS: If someone ignored the idea “Kc, Kp”, what mistake could they make while solving a question from Equilibrium?
Answer
They would use the wrong term or the reverse relation. Remember: Kc, Kp. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Equilibrium · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q93HOTS3 marksDifficultRevision pick
HOTS: If someone ignored the idea “Le Chatelier”, what mistake could they make while solving a question from Equilibrium?
Answer
They would use the wrong term or the reverse relation. Remember: Le Chatelier. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Equilibrium · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q94HOTS3 marksModerate
HOTS: If someone ignored the idea “Kw=10⁻¹⁴ at 25°C”, what mistake could they make while solving a question from Equilibrium?
Answer
They would use the wrong term or the reverse relation. Remember: Kw=10⁻¹⁴ at 25°C. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Equilibrium · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q95HOTS3 marksModerate
HOTS: If someone ignored the idea “pH of strong acids”, what mistake could they make while solving a question from Equilibrium?
Answer
They would use the wrong term or the reverse relation. Remember: pH of strong acids. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Equilibrium · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q96HOTS3 marksDifficult
HOTS: If someone ignored the idea “Buffer idea as in chapter”, what mistake could they make while solving a question from Equilibrium?
Answer
They would use the wrong term or the reverse relation. Remember: Buffer idea as in chapter. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Equilibrium · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q91HOTS3 marksModerate
HOTS: If someone ignored the idea “Mix MCQs with short answers so you remember both facts and explanations from Redox Reactions”, what mistake could they make while solving a question from Redox Reactions?
Answer
They would use the wrong term or the reverse relation. Remember: Mix MCQs with short answers so you remember both facts and explanations from Redox Reactions. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Redox Reactions · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q92HOTS3 marksModerate
HOTS: If someone ignored the idea “Oxidation: increase in ON or loss of e−”, what mistake could they make while solving a question from Redox Reactions?
Answer
They would use the wrong term or the reverse relation. Remember: Oxidation: increase in ON or loss of e−. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Redox Reactions · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q93HOTS3 marksDifficultRevision pick
HOTS: If someone ignored the idea “Oxidising agent is reduced”, what mistake could they make while solving a question from Redox Reactions?
Answer
They would use the wrong term or the reverse relation. Remember: Oxidising agent is reduced. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Redox Reactions · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q94HOTS3 marksModerate
HOTS: If someone ignored the idea “Balancing in acidic/basic medium”, what mistake could they make while solving a question from Redox Reactions?
Answer
They would use the wrong term or the reverse relation. Remember: Balancing in acidic/basic medium. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Redox Reactions · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q95HOTS3 marksModerate
HOTS: If someone ignored the idea “Electrode idea intro”, what mistake could they make while solving a question from Redox Reactions?
Answer
They would use the wrong term or the reverse relation. Remember: Electrode idea intro. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Redox Reactions · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q96HOTS3 marksDifficult
HOTS: If someone ignored the idea “Disproportionation”, what mistake could they make while solving a question from Redox Reactions?
Answer
They would use the wrong term or the reverse relation. Remember: Disproportionation. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Redox Reactions · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q91HOTS3 marksModerate
HOTS: If someone ignored the idea “Mix MCQs with short answers so you remember both facts and explanations from Organic Chemistry – Some Basic Principles and Techniques”, what mistake could they make while solving a question from Organic Chemistry – Some Basic Principles and Techniques?
Answer
They would use the wrong term or the reverse relation. Remember: Mix MCQs with short answers so you remember both facts and explanations from Organic Chemistry – Some Basic Principles and Techniques. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Organic Chemistry – Some Basic Principles and Techniques · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q92HOTS3 marksModerate
HOTS: If someone ignored the idea “IUPAC naming”, what mistake could they make while solving a question from Organic Chemistry – Some Basic Principles and Techniques?
Answer
They would use the wrong term or the reverse relation. Remember: IUPAC naming. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Organic Chemistry – Some Basic Principles and Techniques · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q93HOTS3 marksDifficultRevision pick
HOTS: If someone ignored the idea “Inductive, resonance, hyperconjugation”, what mistake could they make while solving a question from Organic Chemistry – Some Basic Principles and Techniques?
Answer
They would use the wrong term or the reverse relation. Remember: Inductive, resonance, hyperconjugation. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Organic Chemistry – Some Basic Principles and Techniques · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q94HOTS3 marksModerate
HOTS: If someone ignored the idea “Nucleophile and electrophile”, what mistake could they make while solving a question from Organic Chemistry – Some Basic Principles and Techniques?
Answer
They would use the wrong term or the reverse relation. Remember: Nucleophile and electrophile. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Organic Chemistry – Some Basic Principles and Techniques · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q95HOTS3 marksModerate
HOTS: If someone ignored the idea “Purification methods”, what mistake could they make while solving a question from Organic Chemistry – Some Basic Principles and Techniques?
Answer
They would use the wrong term or the reverse relation. Remember: Purification methods. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Organic Chemistry – Some Basic Principles and Techniques · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Q96HOTS3 marksDifficult
HOTS: If someone ignored the idea “Isomerism types”, what mistake could they make while solving a question from Organic Chemistry – Some Basic Principles and Techniques?
Answer
They would use the wrong term or the reverse relation. Remember: Isomerism types. Always check the NCERT definition before jumping to a formula or a long explanation.
Explanation
HOTS items ask you to predict an error. That is still chapter revision — not a claim that this exact wording will appear in the board exam.
Meta
Class: Class 11 · Subject: Chemistry · Chapter: Organic Chemistry – Some Basic Principles and Techniques · 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-11/, then subject and chapter slugs.
Why is this a separate URL?
So students searching for “HOTS 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.
