Question

Define activity series of metals. Arrange the metals gold, copper, iron and magnesium in order of their increase in reactivity.​

Answer 1

Answer:

Au < Cu < Fe < Mg is increasing order of reactivity.

Hope it will help you.

Answer 2

Answer:

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

(b) (i) The blue solution will become colourless and reddish brown copper metal will be deposited.