Which of the following is an example of carbylamine reaction?

2 P h N H_{2} + C S_{2} (i) K O H - ------- \to \begin{matrix} Δ (i i) c o n c . H C l \end{matrix} P h - N C S

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R - N H_{2} + H N O_{2} 0 - 5^{o} C - --- \to R - O H + N_{2} + H C l

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P h - N H_{2} + C H C l_{3} + 3 K O H (a l c .) Δ - \to P h - N C + 3 K C l + 3 H_{2} O

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P h_{2} - N H + H O N O \to P h_{2} - N - N = O + H_{2} O

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Solution

The correct option is B $P h - N H_{2} + C H C l_{3} + 3 K O H (a l c .) Δ - \to P h - N C + 3 K C l + 3 H_{2} O$
(a) $2 P h - N H_{2} + S = C = S (i) 2 K O H - ------- \to \begin{matrix} Δ (i i) c o n c . H C l \end{matrix} P h - N = C = S + P h \oplus N H_{3} C l^{-} Hotmann mustard oil reaction$
(b) $R - N H_{2} + H N O_{2} 0 - 5^{o} C - --- \to R - O H + N_{2} + H C l Diazotisation reaction$
(c) $P h - N H_{2} + C H C l_{3} + 3 K O H (a l c .) Δ - \to P h - N C + 3 K C l + 3 H_{2} O Carbylamine reaction$
(d) $P h_{2} - N H + H O N O \to P h_{2} - N - N = O + H_{2} O Lieber mann's nitroso reaction$

Option C is correct.

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