Some statements about heavy water are given below. (i) Heav…

Chemistry Hydrogen and Its Compounds ( Not in Syllabus ) NEET Previous Year Question Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 14, 2026

Some statements about heavy water are given below.

(i) Heavy water is used as a moderator in nuclear reactors.

(ii) Heavy water is more associated than ordinary water.

(iii) Heavy water is more effective solvent thanordinary water.

Which ofthe above statements are correct?

(i) and (ii)

(i), (ii) and (iii)

(ii) and (iii)

(i) and (iii) ( Mains2010 )

Text Solution

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The correct answer is:

(a ) : Heavy water is used for slowing down the speed of neutrons in nuclear reactors, hence used as moderator. Boiling point of heavy water is greater (374.42 K) than that of ordinary water , hence heavy water is more associated. Dielectric constant of ordinary wateris greater than that of heavy water, hence ordinary water is a better solvent.

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