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Electrolysis of Water

The purpose o...

Question

The purpose of addition of KF to HF in the preparation of $F_{2}$ by electrolysis is

to increase the conductivity of HF

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to lower the oxidation potential of HF

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to increase the concentration of

F_{2}

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none of the above

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Solution

The correct option is A to increase the conductivity of HF
HF does not dissociate into ions therefore, does not conduct electricity. So, HF is added to increase the conductivity of HF.

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