Question

What will be the change in colour of copper sulphate solution when magnesium is added to it?

Answer 1

Blue colour of copper sulphate solution discharges as MgSO4 is formed and Cu gets precipitated

Answer 2

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

BALANCED CHEMICAL EQUATION :

CuSO4 + Mg --> MgSO4 + Cu

copper magne magnesium copper

sulfate sium sulfate ( reddish

(blue solution) (colorless brown)

solution)

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