Copper is very slowly oxidised on the surface in moist air

CHEMISTRY · Single correct · CBSE · Chemistry · Metals and Non-metals · Metals and Non-metals

Problem

Copper is very slowly oxidised on the surface in moist air, giving a green coating of verdigris is: (1)

\text{Cu}_2\text{O}

(2)

\text{CuCO}_3

(3)

\text{Cu}(\text{CH}_3\text{COO})_2 \cdot \text{Cu}(\text{OH})_2

(4)

\text{CuSO}_4