CN  ChemNexa

d- and f-Block Elements NEET MCQs & Practice | ChemNexa

Practice MCQs on d- and f-block elements for NEET with explanations, periodic trends review and focused revision to strengthen inorganic chemistry prep.

Register Free for Full Chemistry Practice

d- and f-Block Elements Revision Guide for NEET Chemistry

d- and f-Block Elements is part of NEET Chemistry preparation. A strong revision plan should combine concept review with exam-style questions so that definitions, relationships, calculations and exceptions are recalled accurately.

Use the sample MCQs on this page to check understanding, then attempt the related ChemNexa tests for broader practice. When an answer is wrong, review the explanation and return to the underlying concept before attempting another set.

Important Topics

  • Core definitions and principles
  • Important equations or relationships
  • Common applications and examples
  • Frequently confused concepts
  • Exam-style multiple-choice questions
  • Error review and targeted revision

Revision Tip

Create a one-page summary of trends, structures, reactions, exceptions and key terminology for d- and f-Block Elements, then test recall with mixed MCQs.

What to practise in d- and f-Block Elements

Concept Revision

Revise definitions, principles, equations, trends and core ideas from d- and f-Block Elements before attempting MCQs.

Exam-style MCQs

Use chapter-focused multiple-choice practice to improve accuracy, recall and application for NEET Chemistry.

Performance Practice

Attempt ChemNexa tests, review results and return to weak areas for another round of targeted revision.

Top 20 d- and f-Block Elements MCQs with Answers

These public questions are selected from the exact d- and f-Block Elements chapter, screened for topic relevance and deduplicated so repeated versions of the same MCQ are not shown publicly. Use them for quick revision, then sign in to attempt the complete test experience with more questions, results and performance review.

NEET Chemistry · d- and f-Block Elements · Very Very Hard

1. Which principle is essential when solving a quantitative problem in d- and f-Block Elements?

  • A. Ignoring units
  • B. Assuming all coefficients are unity
  • C. Ignoring limiting conditions
  • D. Conservation of mass and charge where applicable
Answer: D
Explanation: Mass and charge conservation are fundamental.

NEET Chemistry · d- and f-Block Elements · Very Very Hard

2. At equilibrium in a reversible system related to d- and f-Block Elements, which statement is correct?

  • A. Reactant and product concentrations must be equal
  • B. The catalyst is consumed
  • C. Forward and reverse rates are equal
  • D. All molecular motion stops
Answer: C
Explanation: Dynamic equilibrium has equal forward and reverse rates.

NEET Chemistry · d- and f-Block Elements · Very Very Hard

3. For a spontaneous process at constant T and P in a d- and f-Block Elements context, ΔG is:

  • A. Always equal to ΔH
  • B. Negative
  • C. Positive
  • D. Always zero
Answer: B
Explanation: Spontaneity at constant T,P requires ΔG<0.

NEET Chemistry · d- and f-Block Elements · Very Very Hard

4. Which statement about a catalyst in d- and f-Block Elements is correct?

  • A. It lowers the activation barrier without changing K at fixed T
  • B. It changes ΔG°
  • C. It changes reaction enthalpy
  • D. It is always consumed
Answer: A
Explanation: Catalysts affect kinetics, not equilibrium thermodynamics.

NEET Chemistry · d- and f-Block Elements · Very Very Hard

5. Oxidation in a redox step relevant to d- and f-Block Elements means:

  • A. Gain of electrons
  • B. No oxidation-number change
  • C. Only gain of hydrogen
  • D. Loss of electrons
Answer: D
Explanation: Oxidation is electron loss.

NEET Chemistry · d- and f-Block Elements · Very Very Hard

6. Reduction in a redox step relevant to d- and f-Block Elements means:

  • A. Increase in oxidation number
  • B. Only loss of hydrogen
  • C. Gain of electrons
  • D. Loss of electrons
Answer: C
Explanation: Reduction is electron gain.

NEET Chemistry · d- and f-Block Elements · Very Very Hard

7. A Lewis acid encountered in d- and f-Block Elements is an:

  • A. Anion only
  • B. Electron-pair acceptor
  • C. Electron-pair donor
  • D. Proton acceptor only
Answer: B
Explanation: Lewis acids accept electron pairs.

NEET Chemistry · d- and f-Block Elements · Very Very Hard

8. A Lewis base encountered in d- and f-Block Elements is an:

  • A. Electron-pair donor
  • B. Electron-pair acceptor
  • C. Cation only
  • D. Oxidising agent only
Answer: A
Explanation: Lewis bases donate electron pairs.

NEET Chemistry · d- and f-Block Elements · Very Very Hard

9. Which is a state function useful in d- and f-Block Elements?

  • A. Heat
  • B. Work
  • C. Path length
  • D. Enthalpy
Answer: D
Explanation: Enthalpy is path independent.

NEET Chemistry · d- and f-Block Elements · Very Very Hard

10. The relation between standard Gibbs energy and equilibrium constant is:

  • A. ΔG°=-KRT
  • B. ΔG°=RT/K
  • C. ΔG°=-RT lnK
  • D. ΔG°=RT lnK
Answer: C
Explanation: The standard thermodynamic relation is ΔG°=-RT lnK.

NEET Chemistry · d- and f-Block Elements · Very Very Hard

11. For a first-order kinetic process in d- and f-Block Elements, half-life equals:

  • A. [A]0/(2k)
  • B. 0.693/k
  • C. k/0.693
  • D. 1/(k[A]0)
Answer: B
Explanation: First-order t1/2=0.693/k.

NEET Chemistry · d- and f-Block Elements · Very Very Hard

12. The Arrhenius equation is:

  • A. k=Ae^(-Ea/RT)
  • B. k=Ae^(Ea/RT)
  • C. k=EaRT
  • D. k=A/RT
Answer: A
Explanation: Arrhenius equation relates k to activation energy and temperature.

NEET Chemistry · d- and f-Block Elements · Very Very Hard

13. For an ideal dilute solution relevant to d- and f-Block Elements, molarity is:

  • A. Moles solute per kg solvent
  • B. Grams solute per mole solvent
  • C. Moles solvent per litre
  • D. Moles solute per litre solution
Answer: D
Explanation: M=n/V(L).

NEET Chemistry · d- and f-Block Elements · Very Very Hard

14. For a weak acid, a larger Ka generally indicates:

  • A. No ionisation
  • B. A stronger conjugate acid
  • C. A stronger acid
  • D. A weaker acid
Answer: C
Explanation: Larger Ka means greater ionisation.

NEET Chemistry · d- and f-Block Elements · Very Very Hard

15. At 25°C, pH+pOH for aqueous solution is:

  • A. 0
  • B. 14
  • C. 7
  • D. 1
Answer: B
Explanation: pH+pOH=pKw=14 at 25°C.

NEET Chemistry · d- and f-Block Elements · Very Very Hard

16. For an electrochemical cell, oxidation occurs at:

  • A. Anode
  • B. Cathode
  • C. Salt bridge
  • D. Electrolyte only
Answer: A
Explanation: Oxidation occurs at the anode.

NEET Chemistry · d- and f-Block Elements · Very Very Hard

17. For an electrochemical cell, reduction occurs at:

  • A. Anode
  • B. Salt bridge
  • C. Wire
  • D. Cathode
Answer: D
Explanation: Reduction occurs at the cathode.

NEET Chemistry · d- and f-Block Elements · Very Very Hard

18. A positive E°cell implies:

  • A. K<1 necessarily
  • B. No spontaneous reaction
  • C. ΔG°<0
  • D. ΔG°>0
Answer: C
Explanation: ΔG°=-nFE°.

NEET Chemistry · d- and f-Block Elements · Very Very Hard

19. Higher bond order generally corresponds to:

  • A. No bond-length effect
  • B. Shorter stronger bond
  • C. Longer weaker bond
  • D. Longer stronger bond
Answer: B
Explanation: Higher bond order strengthens and shortens bonds.

NEET Chemistry · d- and f-Block Elements · Very Very Hard

20. A nucleophile in an organic reaction related to d- and f-Block Elements is:

  • A. Electron-pair donor
  • B. Electron-pair acceptor
  • C. Always positively charged
  • D. Always a radical
Answer: A
Explanation: Nucleophiles donate electron pairs.

Login to Start Full Test

d- and f-Block Elements Practice Tests

d- and f-Block Elements Frequently Asked Questions

How should I prepare d- and f-Block Elements for NEET Chemistry?

Revise the core concepts first, make a short list of important relationships or exceptions, and then solve chapter-focused MCQs while reviewing every error.

How can ChemNexa help with d- and f-Block Elements practice?

This page provides public sample questions and links to published ChemNexa tests so you can combine quick revision with structured practice.

What should I do after getting an MCQ wrong?

Identify whether the mistake came from a concept gap, calculation, unit, sign, wording or memory error, review that point, and then attempt a similar question again.

Continue with another chapter to build connected concepts and strengthen your overall Chemistry preparation.

Continue NEET Chemistry

View all NEET chapters and testsBrowse all Chemistry PracticeCreate a free account