Question

a metal x when dipped in aqueous solution of aluminium sulphate ,no reaction was observed whereas when it was dipped in the aqueous solution of ferrous sulphate the pale green solution turns colourless.identify metal x and justify your answer by giving chemical equations for reactions

Answer 1

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◆ A metal X when dipped in aqueous solution of aluminum sulphate , no reaction was observed.This means X must be less reactive than aluminum.

◆ However, when it is put in aqueous solution of ferrous sulphate, the pale green colour turns colourless.This means X is more reactive than ferrous or iron.

◆ Therefore metal X must be zinc✔️✔️

Equation :

Zn + FeSo4 --------ZnSo4 + Fe.

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Answer 2

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hope this help❤️

When metal ‘X’ is dipped in aqueous solution of aluminium sulphate no reaction is observed, it means it is less reactive than aluminium. But when it is dipped in ferrous sulphate solution, the solution turns from pale green to colourless, so ‘X’ is more reactive than iron and thus displaces it from its solution.

Therefore, ‘X’ must be Zinc. It reacts with ferrous sulphate to form colourless zinc sulphate solution by displacing iron.

Zn (s) + FeSO4(aq) → ZnSO4(aq) + Fe (s)

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