1. Tardigrade
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  3. Chemistry
  4. The most suitable method for separation of 1:1 mixture of ortho and para-nitrophenols is

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Q. The most suitable method for separation of
1:1 mixture of ortho and para-nitrophenols is

AIPMTAIPMT 1994

Solution:

The ortho and para -isomers can be separated by
steam distillation, o-nitrophenol is steam volatile
due to intramolecular hydrogen bonding
(H-bonding in same molecule) while p-isomer,
i.e. p-nitrophenol is less volatile because of
intermolecular hydrogen bonding which cause the
association of molecules.

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