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Question

In the following reaction, identify the substance, ‘X’ from the given options.
Fe+CuSO4X+Cu

A
FeSO4
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B
Fe-Cu
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C
FeS
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D
CuS
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Solution

The correct option is A FeSO4
In a reaction between a metal and the salt solution of another metal, the more reactive metals can displace less reactive metals from their compounds in solution or molten form. In the above reaction, iron (Fe) metal is more reactive than copper (Cu) metal. So, Fe displaces Cu from CuSO4 solution and forms FeSO4.

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