Acidified water is taken for electrolysis of water because :

it undergoes complete ionization

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it undergoes oxidation

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it is bad conductor of electricity

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it is in pure state

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Solution

The correct option is A it undergoes complete ionization
The concentration of ions in pure water is very low and hence, it is poor conductor of electricity. To improve this conductivity, sulphuric acid is added which ionizes completely to give hydrogen ions in solution.

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