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Amines — Chemistry STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceChemistryAmines1 Mark
Question
What is the best reagent to convert nitrile to primary amine?
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Answer

Reduction of nitriles with sodium alcohol or $\ce{LiAlH_4}$ gives primary amine.
$\text{R}-\text{CN}+4[\text{H}]\xrightarrow[\text{or LiAh}_4/\text{ether}]{\ \ \text{Na/C}_2\text{H}_5\text{OH}\ \ \ }\text{R}-\text{CH}_2\text{NH}_2\\\text{Alkyl nitrile}\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{Alkyl amine}(1^\circ)$

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