Question

Q. 7. Illustrate what happens
when an iron nail is dipped into a solution of copper sulphate​

Answer 1

when iron nail is dipped into copper sulphate, brown deposits are formed on the iron nail and the solution becomes green

i guess...its right

idk

Answer 2

Answer:  

When an iron nail is dipped in copper sulphate solution, a brown coating of copper is formed on the surface of iron and the colour of copper sulphate solution changes from blue to light green. This is because copper being a less reactive than iron and thus replaces it from its sulphate solution and becoming ferrous sulphate.

CuSO₄(aq) + Fe(s) → FeSO₄(aq) + Cu(s)↓

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