Which of the following can be detected by car | vedclass

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(C) The carbylamine reaction is a characteristic test for primary amines ($1^{\circ}$ amines). In this reaction,a primary amine reacts with chloroform

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$C_2H_5NH_2$

Vedclass · Answer

(C) The carbylamine reaction is a characteristic test for primary amines ($1^{\circ}$ amines). In this reaction,a primary amine reacts with chloroform $(CHCl_3)$ and an alcoholic base (like $KOH$) to form an isocyanide (carbylamine),which has a foul,offensive smell. Among the given options: $A$. Urea $(NH_2CONH_2)$ is an amide,not a primary amine. $B$. $CH_3CONH_2$ is an amide,not a primary amine. $C$. $C_2H_5NH_2$ is an aliphatic primary amine ($1^{\circ}$ amine). Therefore,only $C_2H_5NH_2$ will give the carbylamine reaction.

List-$I$ (Reagents used)	List-$II$ (Compound with functional group detected)
$A.$ Alkaline solution of copper sulphate and sodium citrate	$I.$ $C_6H_5CH(OH)CH_3$
$B.$ Neutral $FeCl_3$ solution	$II.$ $CH_3CH(NH_2)CH_3$
$C.$ Alkaline chloroform solution	$III.$ $C_6H_5CH_2CHO$
$D.$ Potassium iodide and sodium hypochlorite	$IV.$ $m-C_2H_5C_6H_4OH$

Which of the following can be detected by carbylamine reaction?

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