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Amines

Question
CBSEENCH12011365

Which one of the following on reduction with lithium aluminium hydride yield a secondary amine?

  • Nitroethane

  • Methylisocyanide

  • Acetamide

  • Methyl cyanide

Solution

B.

Methylisocyanide

On a catalytic reduction or with nascent hydrogen or with lithium aluminium hydride (LiAlH4) alkyl isocyanide yield secondary amine.

CH subscript 3 space minus straight N space identical to straight C space plus space 4 space left square bracket straight H right square bracket space rightwards arrow space CH subscript 3 space minus space NH minus CH subscript 3