JEE MAIN - Chemistry (2022 - 28th June Morning Shift - No. 11)
A primary aliphatic amine on reaction with nitrous acid in cold (273 K) and there after raising temperature of reaction mixture to room temperature (298 K), gives a/an
nitrile
alcohol
diazonium salt
secondary amine
Explanation
$\mathrm{R}-\mathrm{NH}_2 \underset{+\mathrm{HCl}}{\stackrel{\mathrm{NaNO}_2}{\longrightarrow}} \mathrm{R}-\mathrm{N}_2^{+} \rightarrow \mathrm{R}^{+} \underset{\mathrm{H}_2 \mathrm{O}}{\longrightarrow} \mathrm{R}-\mathrm{OH}$
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