Question

when we put an iron nail in copper sulphate solution, we find that after some time the blue color of the solution changes to green.also, a deposition of a brown substance takes place on the iron nail

Answer 1

its a displacement reaction

Answer 2

Copper Sulphate Solution (CuSO4) is blue in colour. When iron nail is placed in it, we can observe the following: 1) reddish brown deposits on iron (these are of Copper). 2 ...

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