1. Which of the following reactions will not take place?
a. Zn + Cuso. ZnSo. - Cu
b. 2KBr + CI:
KCI - Br.
c. Zn + MgSO
ZnSo. - Mg
d. Mg + FeSO
MgSo. Fe
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c. is the correct answer because magnesium is more reactive than zn so it is not able to displace magnesium from its salt solution.
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