JEE MAIN - Chemistry (2022 - 27th June Evening Shift - No. 2)

The correct order of increasing intermolecular hydrogen bond strength is :
HCN < H2O < NH3
HCN < CH4 < NH3
CH4 < HCN < NH3
CH4 < NH3 < HCN

Explanation

Due to the high difference in electronegativity of H and N the H-bond strength of NH3 is highest. There is no H-bond in CH4.

CH4 < HCN < NH3

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