Assertion :Heat of ionisation of water is equal to the heat of neutralisation of a strong acid with a strong base. Reason: Water ionizes to very small extent while $H^{+}$ ions from acid combine very rapidly with ${O H}^{-}$ from base to form $H_{2} O$ .

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
Heat of Ionisation of water = Heat of neutralisation of a strong acid with a strong base

$H^{+} + O H^{-} - > H_{2} O$

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

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Similar questions

Q. Assertion :The heat of formation of water is equal to the heat of neutralisation of a strong acid with a strong base. Reason: Water involves to a very small extent while

H^{\oplus}

ions from an acid combine very rapidly with

⊖ O H

from a base to form

H_{2} O

Q. With regard to the assertion and reason, choose the correct option:
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Reason [R]: Sound levels of jet planes usually exceed 150 dB.

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.
(e) Both assertion and reason are correct statements but reason is not correct explanation of assertion.

Q. For the following Assertion and Reason, the correct option is:
Assertion: The