A metal oxide 'A' which reacts with hydrochloric acid froms a blue coloured solution identify compound 'A' and write its chemical formula. write chemical reaction involved .what is the nature oxide? Give an equation to justify your answer.
The compound A is copper oxide.
The chemical formula for copper Oxide is CuO.
The balanced equation for the reaction is
CuO + 2HCl → CuCl2 + H2O
The color of the solution is greenish blue due the formation of new compound i.e. CuCl2.
The oxide is basic in nature.