Question

Which of the following has the strongest H-bond?
(A) \(\mathrm{O}-\mathrm{H} \cdots \mathrm{S}\)
(B) \(\mathrm{S}-\mathrm{H} \cdots \mathrm{O}\)
(C) \(\mathrm{F}-\mathrm{H} \cdots \mathrm{F}\)
(D) \(\mathrm{F}-\mathrm{H} \cdots \mathrm{O}\)

Answer 1

Ans : (D)

F-H-O hydrogen-bond strength is more than that of F–H.....F due to effective Lewis acid base interaction

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