1.

CH_3 CONH_2is a weaker base than CH_3 CH_2 NH_2.

Answer»

Solution :`CH_3 - overset(O ) overset(||)C-`group in `CH_3 CONH_2`, withdraws electron pair on the NITROGEN through resonance.

As a result, electron density on the N-atom in ACETAMIDE decreases. On the other hand, in ETHYLAMINE, DUE to +I effect of the ethyl group, electron density on the N-atom increases. CONSEQUENTLY, `CH_3 CONH_2` is a weaker base than `CH_3 CH_2 NH_2`.


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