Question

Which of the following is most basic?

• A. Benzamide
• B. Butamine
• C. Nitrobenzene
• D. Benzene

Answer 1

Answer: (B)

Butamine

Answer 2

- undefined Does not show basic character because lone pair on nitrogen is delocalized by resonance with the carbonyl group which makes it less available for protonation -\underset{\text{(aliphatic primary amine)}}{{CH_{3}CH_{2}CH_{2}CH_{2} \overset{??{N}H_{2}}} $R \to NH_{2}$ R-group due to $+1$ effect intensify the electron density on nitrogen. Therefore highly basic in nature. - $-NO_{2}$ group (-I) effect, therefore makes the ring electron deficient. Hence, acidic in nature (neutral)