Hydrogen bond is the term given to the relatively weak secondary interaction between a hydrogen atom bound to an electronegative atom and another atom which is also generally electronegative and which

Question

Hydrogen bond is the term given to the relatively weak secondary interaction 
between a hydrogen atom bound to an electronegative atom and another atom which 
is also generally electronegative and which has one or more lone pairs and can 
thus acts as a base. We can give the following generalized representation of a 
hydrogen bond.
X^{\delta-}—H^{\delta+}...Y
Bond dissociation energy of H-bond ranges from 8 to 42 kJ/mol, and the most 
commonly encountered hydrogen bonds are O—H...O, N—H...O and F—H...R

Prashant Kotian · Accepted Answer

Correct answer: D. Na^+:CCl4 : ion-induced dipole < 8 kJ/mol; CHCl3:Br^- : Weaker ion-dipole < 8 kJ/mol; C6H6:CCl4 : London dispersion forces < 8 kJ/mol; H2O:HCN : Unsymmetrical H-bond ranges from 8-42 kJ/mol.

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