Class 12 Chemistry The d- and f-Block Elements MCQ Questions
MCQ Questions for Class 12 Chemistry The d- and f-Block Elements. 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 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).
Q2MCQ1 markEasy
Choose the correct statement related to The d- and f-Block Elements in the chapter The d- and f-Block Elements.
A. Catalytic properties
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. Lanthanoid contraction
Answer
A. Catalytic properties
Explanation
Catalytic properties. 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).
Q3MCQ1 markEasy
Choose the correct statement related to The d- and f-Block Elements 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. Every chapter ends with keywords or a summary that is useful for one-mark answers
C. KMnO4, K2Cr2O7 as in text
D. Coloured ions
Answer
D. Coloured ions
Explanation
Coloured ions. 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).
Q4MCQ1 markEasy
Choose the correct statement related to The d- and f-Block Elements in the chapter The d- and f-Block Elements.
A. The d- and f-Block Elements is an NCERT chapter taught in CBSE Class 12 Chemistry
B. Use the terms used in the NCERT book; do not replace them with unofficial names
C. Lanthanoid contraction
D. CBSE often tests a concept by asking a daily-life example from the same chapter
Answer
C. 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).
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).
Q6MCQ1 markEasy
Choose the correct statement related to The d- and f-Block Elements 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. Lanthanoid contraction
C. The d- and f-Block Elements is an NCERT chapter taught in CBSE Class 12 Chemistry
D. Every chapter ends with keywords or a summary that is useful for one-mark answers
Answer
C. The d- and f-Block Elements is an NCERT chapter taught in CBSE Class 12 Chemistry
Explanation
The d- and f-Block Elements is an NCERT chapter taught in CBSE Class 12 Chemistry. 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).
Q7MCQ1 markEasy
Choose the correct statement related to Textbook first in the chapter The d- and f-Block Elements.
A. The textbook says the opposite of this statement
B. CBSE often tests a concept by asking a daily-life example from the same chapter
C. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
D. Use the terms used in the NCERT book; do not replace them with unofficial names
Answer
C. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
Explanation
Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions. 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).
Q8MCQ1 markEasy
Choose the correct statement related to Keywords in the chapter The d- and f-Block Elements.
A. This happens only in a laboratory and never in daily life
B. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
C. Every chapter ends with keywords or a summary that is useful for one-mark answers
D. Mix MCQs with short answers so you remember both facts and explanations from The d- and f-Block Elements
Answer
C. Every chapter ends with keywords or a summary that is useful for one-mark answers
Explanation
Every chapter ends with keywords or a summary that is useful for one-mark answers. 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).
Q10MCQ1 markModerate
Choose the correct statement related to Diagrams in the chapter The d- and f-Block Elements.
A. Use the terms used in the NCERT book; do not replace them with unofficial names
B. The textbook says the opposite of this statement
C. Catalytic properties
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Answer
D. If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures
Explanation
If the chapter has a diagram, practise labelling it — many school tests ask for labelled figures. 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).
Q11MCQ1 markEasy
Choose the correct statement related to Revision in the chapter The d- and f-Block Elements.
A. Mix MCQs with short answers so you remember both facts and explanations from The d- and f-Block Elements
B. Write three points from The d- and f-Block Elements in your own words; that is enough for a short-answer start
C. Coloured ions
D. This happens only in a laboratory and never in daily life
Answer
B. Write three points from The d- and f-Block Elements in your own words; that is enough for a short-answer start
Explanation
Write three points from The d- and f-Block Elements in your own words; that is enough for a short-answer start. 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).
Q12MCQ1 markEasy
Choose the correct statement related to Accuracy in the chapter The d- and f-Block Elements.
A. This idea is not part of the NCERT chapter
B. Use the terms used in the NCERT book; do not replace them with unofficial names
C. Lanthanoid contraction
D. Variable oxidation states
Answer
B. Use the terms used in the NCERT book; do not replace them with unofficial names
Explanation
Use the terms used in the NCERT book; do not replace them with unofficial names. 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).
Q14MCQ1 markEasy
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. This happens only in a laboratory and never in daily life
C. Variable oxidation states
D. Lanthanoid contraction
Answer
C. 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).
Q15MCQ1 markModerate
Choose the correct statement related to The d- and f-Block Elements in the chapter The d- and f-Block Elements.
A. Catalytic properties
B. Variable oxidation states
C. Every chapter ends with keywords or a summary that is useful for one-mark answers
D. KMnO4, K2Cr2O7 as in text
Answer
A. Catalytic properties
Explanation
Catalytic properties. 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).
Q16MCQ1 markEasy
Choose the correct statement related to The d- and f-Block Elements in the chapter The d- and f-Block Elements.
A. Coloured ions
B. CBSE often tests a concept by asking a daily-life example from the same chapter
C. Catalytic properties
D. The d- and f-Block Elements is an NCERT chapter taught in CBSE Class 12 Chemistry
Answer
A. Coloured ions
Explanation
Coloured ions. 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).
Q18MCQ1 markEasy
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. Write three points from The d- and f-Block Elements in your own words; that is enough for a short-answer start
C. Every chapter ends with keywords or a summary that is useful for one-mark answers
D. KMnO4, K2Cr2O7 as in text
Answer
D. 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).
Q19MCQ1 markEasy
Choose the correct statement related to The d- and f-Block Elements in the chapter The d- and f-Block Elements.
A. KMnO4, K2Cr2O7 as in text
B. The d- and f-Block Elements is an NCERT chapter taught in CBSE Class 12 Chemistry
C. This topic is only for college
D. Catalytic properties
Answer
B. The d- and f-Block Elements is an NCERT chapter taught in CBSE Class 12 Chemistry
Explanation
The d- and f-Block Elements is an NCERT chapter taught in CBSE Class 12 Chemistry. 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).
Q20MCQ1 markModerate
Choose the correct statement related to Textbook first in the chapter The d- and f-Block Elements.
A. Mix MCQs with short answers so you remember both facts and explanations from The d- and f-Block Elements
B. The d- and f-Block Elements is an NCERT chapter taught in CBSE Class 12 Chemistry
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
C. Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions
Explanation
Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions. 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).
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.
How should I use the 100 questions?
Try the question first, then tap Show answer. Mix MCQs with long answers. Revise formulas and diagrams from the textbook alongside this set.
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 “MCQ 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.