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Primary amines on heating with "CS"(2) f...

Primary amines on heating with `"CS"_(2)` followed by excess of mercuric chloride yields isothiocyanate. The reaction is called

A

Hofmann mustard oil reaction

B

Perkin reaction

C

Fries reaction

D

Diels-Alder reaction

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Verified by Experts

The correct Answer is:
A
Hofmann mustard oil reaction :
`underset(1^(@)"amine")(R-NH_(2))+S=C=Soverset("Warm")toRNH-overset(S)overset(||)C-SHoverset("HgCl"_(2))tounderset("Alkylisothiocyanate")(R-N=C.=)S+"HgS"+2"HCl"`
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