Question

what do you observe when zinc granules are added to freshly prepared ferrous sulphate solution

Answer 1

When Zinc granules are added to freshly prepared Ferrous Sulphate solution, the colour of the solution changes to colourless.

Explanation:

• This colour changes due to zinc is more reactive when compared to iron.

• The Zinc granules which when added and treated with freshly prepared Ferrous Sulphate solution, the green colour solution of Ferrous Sulphate turns to colourless.

• This is due to the displacement of the Iron with Zinc.

• It is because of the reactivity of the metal which is high to the Zinc metal than to the Iron metal.

• This results in a colourless solution of Zinc Sulphate and a grey coloured precipitate of Iron.

        $FeSO_4+Zn \rightarrow ZnSO_4+Fe$.

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