A very thin copper plate is electro`-` plated with gold using gold chloride in `HCl`.
Channel: Doubtnut
Date: 05/04/2020

A very thin copper plate is electro`-` plated with gold using gold chloride in `HCl`. The current was passed  for `20 mi n`. And the increase in the weight of the plate was found to be `2g.[Au=197]`. The current passed was `-`