Question

Which one undergoes chemical reaction? 

Magnesium sulphate reacts with iron

Zinc sulphate reacts with iron

Magnesium sulphate reacts with lead

Copper sulphate reacts with iron

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Answer 1

Copper sulphate reacts with iron.

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Answer 2

Answer:

The Reactivity series is an arrangement of metals in the order of decreasing reactivities. We can infer that a more reactive metal displaces a less reactive metal from a solution of its salt.

K>Na>Ca>Mg>Al>Zn>Fe>Pb>H>Cu>Hg>Ag>Au

From the reactivity series, it is clear that Fe is more reactive than Cu and can replace Cu. But in the case of Mg and Zn, we find that they are more reactive than Fe and same in the case of Mg and Pb where Mg is more reactive than Pb.

Hence, the reaction of CuSO

4

and Fe is possible.

Explanation:

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