NEET Chemistry: The d and f Block Elements — MCQ Test 14

Q6. Which of the following represents the reaction of K 2 Cr 2 O 7 with FeSO 4 in acidic medium?

Q7. Which of the following is a consequence of lanthanoid contraction?

Q8. Which of the following correctly represents the reduction half-reaction of dichromate ion in acidic medium?

Q9. Which of the following is NOT a use of potassium permanganate?

Q10. Which of the following transition metal ions has the electronic configuration [Ar] 3d 8 ?

NEET Chemistry — The d and f Block Elements

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Which of the following is NOT a use of lanthanoids?

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About this NEET MCQ Test

This page provides a free online MCQ test for NEET Chemistry preparation, focusing specifically on the chapter The d and f Block Elements. It contains 10 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.

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Key concepts covered in this specific test include Following, Lanthanoids, Potassium, Dichromate, Variable, and Oxidation.

Taking these timed MCQ tests helps you simulate the real NEET exam environment. Detailed step-by-step explanations are provided for every question to help you learn from your mistakes and strengthen your fundamentals.

Preview of Questions in this Test

Q1. Which of the following is NOT a use of lanthanoids?

  • A. Alloy steels
  • B. Petroleum cracking catalysts
  • C. Structural building material
  • D. TV screen phosphors

Q2. Which of the following is NOT a use of potassium dichromate?

  • A. Oxidizing agent in organic chemistry
  • B. Primary standard in volumetric analysis
  • C. Reducing agent in metallurgy
  • D. Leather tanning

Q3. What is the primary reason for the variable oxidation states in transition elements?

  • A. Small atomic size
  • B. High ionization energy
  • C. Comparable energies of (n-1)d and ns orbitals
  • D. Presence of f-electrons

Q4. What is the product when K 2 Cr 2 O 7 reacts with H 2 S in acidic medium?

  • A. CrO 4 2– + SO 2
  • B. Cr 2+ + H 2 SO 4
  • C. CrO 2 + H 2 O
  • D. Cr 3+ + S

Q5. Which of the following is NOT a characteristic of lanthanoids?

  • A. Silvery-white appearance
  • B. High volatility
  • C. +3 oxidation state
  • D. Formation of colored ions

+ 5 more questions in the actual test

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