JEE MAIN - Chemistry (2021 - 16th March Evening Shift - No. 6)
Which of the following is least basic?
$${(C{H_3}CO)_2}\mathop N\limits^{..} H$$
$$(C{H_3}CO)\mathop N\limits^{..} H{C_2}{H_5}$$
$${({C_2}{H_5})_3}\mathop N\limits^{..} $$
$${({C_2}{H_5})_2}\mathop N\limits^{..} H$$
Explanation
Basic strength $$ \propto $$ availability of lone pair.
_16th_March_Evening_Shift_en_6_1.png)
In this case lone pair of $$\mathop N\limits^{ \bullet \bullet } $$ is highly participating in resonance.
In this case lone pair of $$\mathop N\limits^{ \bullet \bullet } $$ is highly participating in resonance.
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