1.

Dipole momentts of aldehydes and ketones are higher than those of alcohols, explain.

Answer»

Solution :The `pi`-electrons of the are loosely held and hence can be shifted towards O-atom more readily than the more tightly held `sigma`-electrons of the C-O bond in ALCOHOLS. Consequently, the magnitude of the +ve and -ve charge developed in bond is higher than those on `C-O` bond of alcohols. As a result, the DIPOLE MOMENT of ALDEHYDES and ketones (2.3-2.8D) is much higher than that of alcohols (1.6-1.8D).


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