Question

The compound that gets oxidised even on exposure to atmosphere is :

• A. Co2(SO4)3
• B. NiSO4
• C. KMnO4
• D. FeSO4

Answer 1

Answer: (D)

FeSO4

Answer 2

4FeSO4 + 2H2O + O2 $\longrightarrow$ 4Fe(OH).SO4 (basic ferric sulphate)