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Electrometallurgy

Electrolysis ...

Question

Electrolysis of fused $K C l . M g C l_{2}$ gives:

A

potassium only

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B

magnesium only

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C

magnesium and chlorine

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D

potassium, magnesium and chlorine

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Solution

The correct option is D magnesium and chlorine
As reduction potential of $K^{+}$ is less than that of $M g^{2 +}$ , on electrolysis of this mixture, magnesium and chlorine are produced.

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