Question

(c) A pungent smelling gas 'X' reacts with HCl to form white fumes of 'Y'. 'Y' on reaction with slaked lime produces gas 'X'. Aqueous solution of 'X' gives deep blue coloration with CuSO4 solution of Z. Identify 'X', 'Y' and 'Z'.​

Answer 1

Answer:-

X is carbon dioxide gas. 

Ca(OH)2(s)+CO2(g)→CaCO3(s)+H2O(l)

Calcium Carbonate is formed