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Question
Which of the following pair of reactants can undergo a displacement reaction under appropriate conditions?
(a) MgSO4 + Fe
(b) ZnSO4 + Fe
(c) MgSO4 + Pb
(d) CuSO4 + Fe
Solution
(d) CuSO4 + Fe
Iron (Fe) is a more reactive metal than copper, which can displace copper from copper sulphate.
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