Which of the following H-bonds is expected to have maximum strength ?
Which of the following H-bonds is expected to have maximum strength ?
A. H-O.. .H
B. H-N.. .H
C. H-S......H
D. All have same strength
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Correct Answer - A
The strength of H-bonds is attributed to the electronegativity of the atom bonded to hydrogen. Oxygen atom being more electronegative as compared to N and S, has greater strength of H-bonds.
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