Write short notes on the following
Maustard oil reaction

Explanation

This is also a reaction characteristic of primary amine. When primary amines are warmed with carbondisulphide and mercuric chloride, alkyl isothiocyanate, having a pungent mustard like odour is obtained.
`{:(CH_3NH+S=C=S to CH_3-N=C=S+H_2S),(" Carbondisulphide Methyl isothiocyanade "):}`.