Which of the given chemical reactions is not feasible?

F e (s) + C u S O_{4} (a q) \to F e S O_{4} (a q) + C u (s)

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Z n (s) + M g S O_{4} (a q) \to Z n S O_{4} (a q) + M g (s)

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M g (s) + F e S O_{4} (a q) \to M g S O_{4} (a q) + F e (s)

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C u (s) + A g_{2} S O_{4} (a q) \to C u S O_{4} (a q) + 2 A g (s)

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Solution

The correct option is B $Z n (s) + M g S O_{4} (a q) \to Z n S O_{4} (a q) + M g (s)$
Zinc is less reactive than magnesium and therefore, cannot displace it from magnesium sulphate solution. Therefore, the following reaction is not feasible.

$Z n (s) + M g S O_{4} (a q) \to Z n S O_{4} (a q) + M g (s)$

Hence, the correct answer is option (b).

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Thermodynamics is not concerned about
(a) energy changes involved in a chemical reaction
(b) the extent to which a chemical reaction proceeds
(c) the rate at which a reaction proceeds
(d) the feasibility of a chemical reaction

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Which of the given chemical reactions is not feasible?

The correct option is B Zn(s)+MgSO4(aq)→ZnSO4(aq)+Mg(s)Zinc is less reactive than magnesium and therefore, cannot displace it from magnesium sulphate solution. Therefore, the following reaction is not feasible. Zn(s)+MgSO4(aq)→ZnSO4(aq)+Mg(s) Hence, the correct answer is option (b).