NEET Chemistry: The d and f Block Elements — Practice Set 1

Q1. What is the lanthanoid contraction?

Q2. Which catalyst is used in the hydrogenation of vegetable oils?

Q3. Which of the following statements about actinoids is correct?

Q4. Which of the following reactions represents the preparation of K 2 Cr 2 O 7 from chromite ore?

Q5. Which of the following statements about lanthanoids is INCORRECT?

Q6. What happens when K 2 Cr 2 O 7 is treated with an alkali?

Q7. Which of the following represents the preparation of KMnO 4 from pyrolusite ore?

Q8. Which of the following is NOT a consequence of lanthanoid contraction?

Q9. Which actinoid is most commonly used in nuclear reactors?

Q10. Which of the following is NOT true about lanthanoid contraction?

Chemistry — The d and f Block Elements

Set 1 of 14

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What is the lanthanoid contraction?