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Iron nails are placed in copper sulphate solution. Write word equations for the reactions involved.

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Iron (Fe) + Copper Sulphate (CuS

O_{4}

)

\to

Iron Sulphate (FeS

O_{4}

) + Copper (Cu)

Sodium (Na) + Copper Sulphate (CuS

O_{4}

)

\to

Sodium Sulphate (NaS

O_{4}

) + Copper (Cu)

Iron (Fe) + Sodium Sulphate (NaS

O_{4}

)

\to

Iron Sulphate (FeS

O_{4}

) + Sodium (Na)

None of the above

answer is A.

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Detailed Solution

Iron (Fe) + Copper Sulphate (CuS

O_{4}

)

\to

Iron Sulphate (FeS

O_{4}

) + Copper (Cu)
When we dip iron nails into Copper sulphate solution, the blue colored Copper sulphate solution turns light green in colour. One can also find reddish brown metallic Copper deposits on the iron nails and deposited at the bottom of the container.

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