Question

when cuso4 solution stored in iron vessel the blue colour changes to pale green. do you agree with it? justify.

Answer 1

hii there is your answer the copper sulphate when kept in a iron container then the iron displace the copper from the solution of copper sulphate it is done so because the iron is more reactive than the copper and displace it from the solution and form another solution namely ferrous sulphate which was pale green in colour

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