An inorganic compound 'A' on heating with solution of `KOH`, gives a gas B and the
Channel: Doubtnut
Date: 2020-04-19

An inorganic compound 'A' on heating with solution of `KOH`, gives a gas B and the solution of compound C. gas B on ignition with excess of air gives a compound D and water. Copper sulphate gives a black precipitate on passing through its solution. White precipitate E is obtained on reaction of C with copper sulphates solution.    Compound D is: