JEE Advanced | 2014Chemical BondingMedium
Question
Hydrogen bonding plays a central role in the following phenomena
Options
A.Ice floats in water
B.Higher Lewis basically of primary amines than tertiary amines in aqueous solutions
C.Formic acid is more acidic than acetic acid
D.Dimerisation of acetic acid in benzene
Solution
In ice water molecules are excessively H-bonded giving a cage-like structure which is lighter than water. Primary amines are more basic than tertiary amines in aqueous solution mainly due to H-bonding with water molecules. Dimerisation of acetic acid in benzene is due to intermolecular H-bonding
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