Given below are two statements: One is labelled as Assertio…

Chemistry Hydrogen and Its Compounds ( Not in Syllabus ) JEE Main 2021 Single Correct MCQ

Published on: August 14, 2026

Given below are two statements: One is labelled as Assertion A and other is labelled as Reason R.

Assertion A: The dihedral angles in in gaseous phase is and in solid phase is .

Reason r: The change in dihedral angle in solid and gaseous phase is due to the difference in the intermolecular forces. Choose the most appropriate answer from the options given below for A and R.

A is correct but R is not correct.

Both A and R are correct but is not the correct explanation of A.

Both A and R are correct and R is the correct explanation of A.

A is not correct but R is correct.

Text Solution

Verified by Experts

The correct answer is:

structure in gas phase, dihedral angle is .

structure in solid phase at 110K, dihedral angle is .

Hence given statement is not correct But statement is correct.

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