Question

(a) Define reactivity series of metals. Arrange the metals gold, copper, iron,
zinc and magnesium in their increasing order in reactivity.
(b)What will you observe when:
(i) Some Zinc pieces are put into copper sulphate solution?
(ii) Some silver pieces are put into green coloured ferrous sulphate solution?
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Answer 1

Answer:

The series of metals in which metals are arranged in decreasing order of their reactivity. Au < Cu < Fe < Mg is increasing order of reactivity