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CH3 CONH2 is a weaker base than CH3 CH2 ...

CH_3 CONH_2 is a weaker base than CH_3 CH_2 N H_2. Why?

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equation The Ione pair of electrons on nitrogen atom in 'CH_3 CONH_2' is delocalised over țe ketogroup. Hence the electrons are not available for donation. Hence-it is a weaker bise than 'CH_3 CH_2 NH_2'
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