1.

Assertion : Neither pure H_(2)SO_(4) nor pure HClO_(4) conduct electric current but a mixture of two does. Reason : Both are strong acids.

Answer»

If both assertion and reason are correct and reason is correct explanation for assertion.
If both assertion and reason are correct but reason is not correct explanation for assertion.
If assertion is correct but reason is incorrect.
If assertion and reason both are incorrect.

Solution :(b) Correct explanation : `HClO_(4)` is a stronger acid than `H_(2)SO_(4)` and donates `H^(+)` to `H_(2)SO_(4)`
`underset(Acid)(HCIO_(3))+underset(Base)(HOSO_(3)H) hArr OCIO_(3)^(-)+H_(2)O^(+)SO_(3)H`
Since the solution now CONTAINS ions, it conducts electricty.


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