Out of the two compounds shown above, the vapour pressure of B at a particular temperature is expected to be :

higher than that of (A)

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lower than that of (A)

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same as that of (A)

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can be higher or lower depending upon the size of the vessel

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Solution

The correct option is D higher than that of (A)
Because of intramolecular hydrogen bonding in (B), i.e., ortho nitrophenol, the vapour pressure of ortho nitrophenol is expected to be higher than $p a r a n i t r o p h e n o l .$
Therefore, the correct option is A.

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Out of the two compounds shown above, the vapour pressure of B at a particular temperature is expected to be :

The correct option is D higher than that of (A)Because of intramolecular hydrogen bonding in (B), i.e., ortho nitrophenol, the vapour pressure of ortho nitrophenol is expected to be higher than paranitrophenol.Therefore, the correct option is A.

The correct option is D higher than that of (A)
Because of intramolecular hydrogen bonding in (B), i.e., ortho nitrophenol, the vapour pressure of ortho nitrophenol is expected to be higher than $p a r a n i t r o p h e n o l .$
Therefore, the correct option is A.