Nitriles on reduction with lithium alumi

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Target Exam

CUET

Subject

Chemistry

Chapter

Organic: Amines

Question:

Nitriles on reduction with lithium aluminum hydride produce

Options:

Amides

Primary amine

Ammonium salt

Secondary amine

Correct Answer:

Primary amine

Explanation:

The correct answer is Option (2) → Primary amine

Reduction of nitriles (R−C≡N) with LiAlH₄ converts the –C≡N group into –CH₂NH₂.
Reaction:

$R-C≡N + 4[H] → R-CH_2-NH_2$