Q. Strength of the hydrogen bond is determined by interaction between the
I. lone pair of the electronegative atom of one molecule and the hydrogen atom of other molecule.
II. bond pair of the electronegative atom of one molecule and the hydrogen atom of other molecule.
Identify the correct statement.

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Solution:

Strength of the hydrogen bond is determined by the coulombic interaction between the lone-pair electrons of the electronegative atom of one molecule and the hydrogen atom of other molecule.
H-bonding is shown as,
image
Thus, the statement (I) is correct.