Home Maths JEE - Advanced Previous Year Paper JEE-Advanced-2014-Paper-1 Hydrogen bonding plays a central role in the…
Maths JEE - Advanced Previous Year Paper JEE-Advanced-2014-Paper-1 Single Correct MCQ
Published on: August 13, 2026

Hydrogen bonding plays a central role in the following phenomena:

A
Ice floats in water.
B
Higher Lewis basicity of primary amines than tertiary amines in aqueous solutions.
C
Formic acid is more acidic than acetic acid.
D
Dimerisation of acetic acid in benzene.

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(a,b,d)

Ice has cage-like structure in which each water molecule is surrounded by four other water molecules tetrahedrally through hydrogen boding, due to this density of ice is less than water and it floats in water.

The cation (I) more stabilized through hydrogen boding than cation (II) . So, R – NH 2 is better base than (R) 3 N in aqueous solution.

HCOOH is stronger acid than CH 3 COOH due to inductive effect and not due to hydrogen bonding.

Acetic acid dimerizes in benzene through intermolecular hydrogen bonding.

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