Question

A metal carbonate x on reacting with an acid gives a gas which when passed through a solution y gives the carbonate back. On the other hand, a gas G that is obtained at anode during electrolysis of brine is passed on dry y, it gives a compound z used for disinfecting drinking water. Justify X,Y,G and Z.​

Answer 1

Answer:

X is calcium carbonate

Y is slaked lime

Z is bleaching powder

G is chlorine gas

Answer 2

Answer:

Complete answer:

Thus, the metal carbonate is calcium carbonate in the reaction. Calcium carbonate gives carbon dioxide gas when it reacts with hydrochloric acid.