Basic stregth of $C H_{3} C H_{2} N H_{2}$ is _________ to that of $C H_{2} = C H N H_{2}$ .

stronger

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weaker

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equal

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none of the above

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Solution

The correct option is A stronger
$C H_{2} = C H - N H_{2} \leftrightarrow C H_{2}^{-} - C H = N^{+} H_{2}$
Lone-pair of electron in vinyl amine is involved partly in resonance delocalization and less available for donation to a Lewis acid, hence a weaker Lewis base while the lone pair of ethylamine is free for donation.

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Similar questions

C H_{3} C H = C H - C H_{2} - C H (N H_{2}) - C H_{2} - C O O H

Then the formula of C₃H₉N is

C H_{3} C H_{2} C N, C H_{3} C H_{2} N H_{2}, C H_{3} N = C H C H_{3}

C H_{3} C H_{2} N H_{2}

N H_{2}

C H_{3} C O N H_{2}

R - C H (N H_{2}) - C O O H

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