Assertion :Anhydrous $H_{2} S O_{4}$ undergoes autoprotolysis $H_{2} S O_{4} + H_{2} S O_{4} ⇌ H_{3} S O_{4}^{+} + H S O_{4}^{-}$ Reason: Anhydrous $H_{2} S O_{4}$ has very high electrical conductivity.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.

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Assertion is correct but Reason is incorrect.

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Both Assertion and Reason are incorrect.

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Solution

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
Anhydrous $H_{2} S O_{4}$ can accept as well as donate protons as it is amphoteric in nature. Hence, it undergoes autoprotolysis.
$H_{2} S O_{4} + H_{2} S O_{4} ⇌ H_{3} S O_{4}^{+} + H S O_{4}^{-}$
Anhydrous $H_{2} S O_{4}$ contains hydrogen ions and sulphate ions. Hence, it has very high electrical conductivity. Both assertion and reason are correct but reason is not the correct explanation for assertion.

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Assertion :Anhydrous H2SO4 undergoes autoprotolysis H2SO4+H2SO4⇌H3SO+4+HSO−4 Reason: Anhydrous H2SO4 has very high electrical conductivity.

Assertion :Anhydrous $H_{2} S O_{4}$ undergoes autoprotolysis $H_{2} S O_{4} + H_{2} S O_{4} ⇌ H_{3} S O_{4}^{+} + H S O_{4}^{-}$ Reason: Anhydrous $H_{2} S O_{4}$ has very high electrical conductivity.