Assertion :In water, orthoboric acid behaves as a weak mono basic acid. Reason: In water, orthoboric acid acts as a proton donor.

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 C Assertion is correct but Reason is incorrect
$H_{3} B O_{3}$ (Orthoboric acid) is a weak lewis acid.
$H_{3} B O_{3} + H_{2} O \to B (O H)_{4}^{-} + H^{+}$
It does not donate proton rather it accepts OH ion from water.

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Similar questions

Q. Assertion :In water, orthoboric acid behaves as a weak monobasic acid. Reason: In water, orthoboric acid acts as a proton donor.

Assertion (A) Addition reaction of water to but-1-ene in acidic medium yields butan-1-ol.
Reason (R) Addition of water in acidic medium proceeds through the formation of primary carbocation.
(a) Assertion and reason both are correct and reason is correct explanation of assertion.
(b) Assertion and reason both are wrong statements.
(c) Assertion is correct statement but reason is wrong statement.
(d) Assertion is wrong statement but reason is correct statement.
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Q. Assertion :Statement-1 : In water, orthoboric acid behaves as a weak monobasic Lewis acid. Reason: Statement-2 : In water, orthoboric acid acts as a proton donor.

Q. Assertion
If BOD level of water in reservoir is less than 5 ppm it is not polluted.

Reason
High biological oxygen demand means low activity of bacteria in water.

Assertion (A) Like bromination of benzene, bromination of phenol is also carried out in the presence of Lewis acid.
Reason (R) Lewis acid polarises the bromine molecule.
(a) Assertion and reason both are correct and reason is correct explanation of assertion.
(b) Assertion and reason both are wrong statements.
(c) Assertion is correct statement but reason is wrong statement.
(d) Assertion is wrong statement but reason is correct statement.
(e) Both assertion and reason are correct statements but reason is not correct explanation of assertion.

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Assertion :In water, orthoboric acid behaves as a weak mono basic acid. Reason: In water, orthoboric acid acts as a proton donor.

The correct option is C Assertion is correct but Reason is incorrectH3BO3 (Orthoboric acid) is a weak lewis acid.H3BO3+H2O→B(OH)−4+H+It does not donate proton rather it accepts OH ion from water.

The correct option is C Assertion is correct but Reason is incorrect
$H_{3} B O_{3}$ (Orthoboric acid) is a weak lewis acid.
$H_{3} B O_{3} + H_{2} O \to B (O H)_{4}^{-} + H^{+}$
It does not donate proton rather it accepts OH ion from water.