An aliphatic amine on treatment with alcoholic carbon disulphide and mercuric chloride forms ethyl isothiocyanate, the reaction is known as

Options

A. Hoffmann's Reaction
B. Hoffmann's Rearrangement
C. Hoffmann's mustard oil reaction
D. Hoffmann's Bromamide degradation reaction.

Answer

C

Explanation

`underset((1^(@)" amine"))(C_(2)H_(5)-NH_(2))+S=C=S ("alc.") rarr C_(2)H_(5)-NH-overset(S)overset("||")(C)-SH overset(HgCl_(2))(rarr) HgS+2HCl+underset(("ethylisothiocyanate"),("(Smell similar to mustard oil)"))(C_(2)H_(5)-N=C=S)`