Question

1) Consider the following reactions:
Zn + CuSO4 (aq) - ZnSO4 (aq) + Cu
2AI (s) + 3ZnSO4 (aq) Al2(SO4)3(aq) + 3Zn
Fe (s) + ZnSO4 (aq) - No reaction
2Al(s) + 3FeSO4 (aq)- Al2(SO4)3(aq) + 3Fe (s)
Arrange the metals Fe, Cu, Zn and Al in increasing order of reactivity and write the colour of
all metal sulphates.
2 Balance the following chemical equations:​

Answer 1

Answer: Increasing order of reactivity: Cu<Fe<Zn<Al

1)Copper Sulphate: Blue solution.

2)Zinc Sulphate: Clear or colourless solution.

3)Iron Sulphate: Pale greenish solution.

4)Aluminium Sulphate: Clear whitish solution.

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