mcq

Asked by isha007 | 8th Feb, 2010, 09:16: PM

Expert Answer:

When we place Fe in CuSO4 solution, a reddish brown coating formd on nail, It is smooth and shining. Since the brown coating is copper metal which is soft and shining.
Iron being a more reactive metal displaces copper from copper sulphate solution to form copper meatl and ferrous sulphate.

Fe + CuSO4  Fe SO4 + Cu

Answered by  | 9th Feb, 2010, 09:29: AM

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