Question

The compound that would produce a nauseating smell/odour with a hot mixture of chloroform and ethanolic potas sium
hydroxide is
\(\begin{array}{llll}\text { (A) } \mathrm{PhCONH}_{2} & \text { (B) } \mathrm{PhNHCH}_{3} & \text { (C) } \mathrm{PhNH}_{2} & \mathrm{PhOH}\end{array}\)

Answer 1

Ans : (C)
Carbyl - Amine reaction
$$
1^{\circ} \text { Aliphatic / Aromatic amine } \frac{\mathrm{CHCl}_{3}}{\mathrm{KOH}(\text { alc. })} \text { Isocyanide }
$$
$$
\mathrm{And} \text { Isocyanide has Nauseating smell/odour }
$$
$$
\mathrm{Ph}-\mathrm{NH}_{2} \stackrel{\mathrm{CHCb}_{3}}{\mathrm{KOH}} \rightarrow \mathrm{Ph}-\mathrm{N} \geq \mathrm{C}
$$
(Nauseating smell)

Answer 2

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Answer 3

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