Question 13 Marks
Write the structures of A, B, C and D in the following reactions :
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Question 23 Marks
Write the following reaction :
(i) Carbylamine reaction
(ii) Diazotization reaction
(iii) Hoffmann bromamide reaction
(i) Carbylamine reaction
(ii) Diazotization reaction
(iii) Hoffmann bromamide reaction
Question 33 Marks
Why is an amide more acidic than an amine?
Answer
View full question & answer→Amides are more acidic than amines because of the presence of lone pair of electron on N -atom of $- NH _2$ group. But this lone pair of electrons is involved in resonance as shown below :
Due to $+R$ effect availability of lone pair of electrons of N of $- NH _2$ group decreases. As a result acid amide is much weaker base than amines. Because of the positive charge on N -atom as a result of resonance, N can lose easily a proton from N and behaves as a weak acid.
Due to $+R$ effect availability of lone pair of electrons of N of $- NH _2$ group decreases. As a result acid amide is much weaker base than amines. Because of the positive charge on N -atom as a result of resonance, N can lose easily a proton from N and behaves as a weak acid.