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Question
Assertion: o-Nitrophenol is less soluble in water than the m- and p-isomers.
Reason: m- and p- Nitrophenols exist as associated molecules.
Options
Assertion and reason both are correct and reason is correct explanation of assertion.
Assertion and reason both are wrong statements.
Assertion is correct statement but reason is wrong statement.
Assertion is wrong statement but reason is correct statement.
Both assertion and reason are correct statements but reason is not correct explanation of assertion.
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Solution
Both assertion and reason are correct statements but reason is not correct explanation of assertion.
Explanation:
In o-nitrophenol there is intramolecular H-bonding.
Thus, o-nitrophenol does not form H-bond with \[\ce{H2O}\] but m-nitrophenol and p-nitrophenol form H-bonds with \[\ce{H2O}\]. Also, due to intermolecular H-bonding m-nitrophenol and p-nitrophenol exist as associated molecules.
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