The colour of `Cu^(o+)` compounds is .

Hydrogen sulphide reacts with lead acetate forming a black compound which reacts with H_2O_2 to form another compound. The colour of the compound is

H_(2)S reacts with lead acetate forming black compound which reacts with O_(3) to form another compound Y. The colour of the compound Y is:

The colour of Cu_(2)^(2+) containing salt is

Coloured Compounds

Coloured Compounds