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Question

Chemistry Question on Hydrogen Bonding

The correct order of increasing intermolecular hydrogen bond strength is

A

HCN<H2O<NH3HCN < H_2O < NH_3

B

HCN<CH4<NH3HCN < CH_4 < NH_3

C

CH4<HCN<NH3CH_4 < HCN < NH_3

D

CH4<NH3<HCNCH_4 < NH_3 < HCN

Answer

CH4<HCN<NH3CH_4 < HCN < NH_3

Explanation

Solution

Due to high difference in electronegativity of HH and NN the HbondH-bond strength of NH3NH_3 is highest.

There is no HbondH-bond in CH4CH_4.

CH4<HCN<NH3CH_4 < HCN < NH_3

Hence, correct option is (C): CH4<HCN<NH3CH_4 < HCN < NH_3