Statement (A): ${Fe}_{(s)} + S_{(s)} \overset{∆}{\to} {FeS}_{(s)} .$ It is a chemical combination.
Statement (B): Iron displaces copper from copper sulphate solution.
Statement (C): Iron is less reactive than copper.

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A and B are correct but C is incorrect

All the above statements are incorrect

All the above statements are correct

A and B are incorrect but C is correct

answer is C.

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Detailed Solution

According to electrochemical reactivity order of metals Fe > Cu. Hence, iron displaces Cu easily from copper sulphate solution. Because iron, Fe has more reactive than copper, Cu.

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