Q: Which one of the following chemical reactions is not feasible?
(a)Fe + CuSO₄ → FeSO₄ + Cu
(b)Zn + CuSO₄ → ZnSO₄ + Cu
(c)Cu + PbCl₂ → CuCl₂ + Pb
(d)Mg + CuSO₄ → MgSO₄ + Cu
Correct Answer: (c)
The correct answer is (c) 'Cu + PbCl₂ → CuCl₂ + Pb'. This question from the General Studies domain tests knowledge of Miscellaneous.