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Assertion: Molar enthalpy of vaporisation of water is different from ethanol.

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Assertion: Molar enthalpy of vaporisation of water is different from ethanol.

Reason: Water is more polar than ethanol.

(a) If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.

(b) If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.

(c) If the Assertion is correct but Reason is incorrect.

(d) If both the Assertion and Reason are incorrect.

(e) If the Assertion is incorrect but the Reason is correct.

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(b) If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.

Explanation:

Molar heat of vaporisation of water is more than ethanol because of presence of stronger H-bonding in water as compared to ethanol. It is also true that water is more polar than ethanol.

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