Question

what will be change in the colour of copper sulphate solution when magnesium is added to it? write a balance chemical equation for the same.​

Answer 1

Explanation:

Blue colour of the copper sulphate solution changes into green colour & then iron nail acquires a brownish look. This is because that iron is more reactive than copper.

The following chemical reaction takes place in this activity.

Fe+CuSO

4

→FeSO

4

+Cu

In this reaction, iron displaces copper from CuSO

4

solution.

Answer 2

Explanation:

Aqueous copper sulfate solution is blue from the colour of the hydrated Cu++ cations and since the sulfate anion is colourless. The colour of the copper sulfate does not change during the reaction with magnesium metal.

Reaction is in the attachment....

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