Question

# Assertion :While separating a mixture of ortho- and paranitrophenols by steam distillation, name the isomer which will be steam volatile. Reason: o-nitrophenol is steam volatile due to chelation (intramolecular H-bonding) and hence can be separated by stream distillation from p-nitrophenol, which is not steam volatile because of intermolecular H-bonding.

A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
C
Assertion is correct but Reason is incorrect
D
Both Assertion and Reason are incorrect

Solution

## The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for AssertionIntramolecular $$H-$$bonding is present in o-nitrophenol. In p-nitrophenol, the molecules are strongly associated due to the presence of intermolecular bonding  Hence, o-nitrophenol is steam volatile Chemistry

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