Question

Assertion : Ortho and para-nitrophenol can be separated by steam distillation.
Reason : Para-nitrophenol is steam volatile due to intramolecular hydrogen bonding.

• A. If both assertion and reason are true and reason is the correct explanation of assertion
• B. If both assertion and reason are true but reason is not the correct explanation of assertion
• C. If assertion is true but reason is false
• D. If both assertion and reason are false

Answer 1

Answer: (C)

$o$-Nitrophenol is steam volatile due to intramolecular hydrogen bonding while $p$-nitrophenol is less volatile due to intermolecular hydrogen bonding.