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Why does the colour of copper sulphate solution changes, when an iron nail is dipped in it?

Posted by Jasleen Gill 4 years, 4 months ago

CBSE > Class 10 > Science

1 answers

Adithya Dev A 4 years, 4 months ago

Iron is more reactive than copper. Therefore, when an iron nail is dipped in a copper sulphate solution, the iron displaces copper from its copper sulphate solution. This leads to formation of iron (I) sulphate which causes the colour of the solution to change from blue to green.

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