Question

Which reaction does not takes place?
(a) CuSO 4 + Zn → ZnSO 4 + Cu
(b) CuSO4 + Fe → FeSO 4 + Cu
(c)ZnSO 4 + Hg+HgSO 4 +Zn
(d) Zn+2HCl → ZnCl2 +H 2

Answer 1

Answer:

the answer is C

Explanation:

because Lead(hg) is less reactive than zinc therefore Lead can't displace Zinc from zinc sulphate solution

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Answer 2

Answer:

This reaction will take place as Zn is more reactive than copper and hence will displace Cu from CuSO4. For this reaction, Fe is less reactive than Zn. Hence, the reaction will not take place as Fe can't displace Zn from ZnSO4 according to the reactivity series of elements.

Explanation:

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