Question

a) Define activity series of metals. Arrange the metals gold, copper, iron and magnesium in order of their increase in reactivity.(b) What will you observe when:i. Some zinc pieces are put in copper sulphate solution.ii. Some silver pieces are put into green coloured ferrous sulphate solution.

Answer 1

a. Mg > Cu > Fe > Au
b. 1. Zn + CuSO4---------- ZnSO4 + Cu.
b.2. Ag + FeSO4 ----------- no change