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Q.

Iron has replaced or eliminated copper in the copper sulphate solution. This reaction is known as a displacement reaction, and displacement reactions include the following:

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a

Redox reaction

b

Exothermic and Endothermic reaction

c

Exothermic reaction

d

Endothermic reaction

answer is B.

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Detailed Solution

Iron has replaced or eliminated copper in the copper sulphate solution. This process is known as a displacement reaction. During the displacement heat is generated and hence it is an exothermic reaction.

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