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Solution


Q.

Which of the following reaction is not feasible
1 Aluminium + Copper sulphate  
2 Zinc + Copper sulphate solution  
3 Iron + Zinc sulphate solution  
4 Copper + Zinc sulphate  

Ans.

(4)

Copper + Zinc sulphate is not the feasible reaction since zinc is more reactive than copper and copper cannot displace it from its salt solution as per the reactivity series of metals