Which statements among the following are correct? I. Ce +3 …

Chemistry D and F - Block Elements NTA Abhiyas Question Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 14, 2026

Which statements among the following are correct?

I. Ce +3 is an oxidizing agent & colourless.

II. Lu 3+ is colourless.

III. Actinoids exhibit a higher number of oxidation states than lanthanoid

IV. All 3d elements give H 2 with 1 M HC1

II, III

I, III

I, II, III

I, IV

Text Solution

Verified by Experts

The correct answer is:

I, II, III

I. Ce +3 formation favoured by its noble gas configuration, but it is a strong oxidant reverting to the common +3 state and it is colourless.

II. Lu 3+ is diamagnetic and colourless.

III. Actinoids exhibit a higher number of oxidation states than lanthanoid.

IV. All 3d elements do not give H 2 with 1M HC1

Previous Question Next Question

Get practice questions, solutions, and test series in one place.

Share your experience with this question and solution.

Send your comment, doubt, correction, or feedback to admin.

What students say about this solution

No reviews yet. Be the first to write a review.