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

Primary amines on heating with CS_2 followed by excess of mercuric chloride yields isothiocyanates. The reaction is called

When primary amine is heated with CS_(2) in the presence of excess of mercuric chloride, it gives isothiocyanate. This reaction is called :

When primary amine is heated with CS_2 in presence of excess mercuric chloride, it gives isothiocyanate. This reaction is called.

When primary amine is heated with CS_(2) in the presence of excess of HgCl_(2) , it gives isothiocyanate. This reaction is called