Question

15. In the reaction
Mg(s) + Cuso,(aq) —> MgSO, (aq) + Cu(s)
(1) MgSo, is oxidised
(2) CuSo is reduced
(3) Mg is oxidising agent
(4) Cu is reducing agent.
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Answer 1

2)CuSo4 is reduced since oxidation state of Cu is reduced to zero