Cadmium amalgam is prepared by electrolysis of a solution of `CdCl_(2)` using a mercury
Channel: Doubtnut
Date: 2020-03-29

Cadmium amalgam is prepared by electrolysis of a solution of `CdCl_(2)` using a mercury cathode. Find how long a current of 5 ampere should be passed in order to prepare 12% Cd-Hg amalgam on a cathode of 2 g mercury. At mass of Cd=112.40.