Question

A calcium compound which is a yellowish white powder is used as a disinfactant and also in textlie industry. Name the compound .Which gas is released,when this compound is left exposed to air? ​

Answer 1

Calcium carbonate is the compound and hydrogen is the gas

Answer 2

The compound is Ca(OCl)2 which is calcium oxychloride.

The gas produced is Cl2 that is chlorine gas.

the reaction is as follows

ca(OCL)2 + co2      =    caCO3 + cl2

                (from air)     (calcium

                                   carbonate)