A) a carbonyl group, donates electrons by resonance
B) the carbonyl group withdraws electrons by resonance
C) nitrogen does not have a lone pair of electrons
D) nitrogen has a full positive charge
Correct Answer: B
Solution :
\[R-\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-\overset{\centerdot \,\centerdot }{\mathop{N}}\,{{H}_{2}}\leftrightarrow R-\overset{{{O}^{-}}}{\mathop{\overset{|}{\mathop{O}}\,}}\,=\overset{+}{\mathop{N}}\,{{H}_{2}}\] Resonance decreases electron donating ability of nitrogen hence basic strength of amide compared to amines also decreases
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