What will be the reactivity order of the following amines for carbylamine test?

I > I I I > I I > I V

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I > I V > I I > I I I

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I > I I > I I I > I V

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I I > I I I > I V > I

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Solution

The correct option is C $I > I I > I I I > I V$

In carbylamine test, primary amines are converted into isocynides using $C H C l_{3}$ and $K O H$ .
The highly reactive intermediate dichlorocarbene generated is attacked by the nucleophilic nitrogen of the primary amine.

Rate $\propto$ tendency to donate lone pair from $- N H_{2}$

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