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Ortho-Nitrophenol is less soluble in water than p- and m- Nitrophenols because:

  1. A
    o-Nitrophenol is more volatile in steam than those of m – and p-isomers
  2. B
    o-Nitrophenol shows Intramolecular H-bonding
  3. C
    o-Nitrophenol shows Intermolecular H-bonding
  4. D
    Melting point of o-Nitrophenol is lower than those of m-and p-isomers.

Solution & Step-by-step Explanation

In o-Nitrophenol, the and groups are close enough to form intramolecular hydrogen bonds. This reduces its ability to form intermolecular hydrogen bonds with water, leading to lower solubility. p- and m-isomers form intermolecular hydrogen bonds with water, making them more soluble.

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Try it yourself before checking the explanation above.

Ortho-Nitrophenol is less soluble in water than p- and m- Nitrophenols because:
A
o-Nitrophenol is more volatile in steam than those of m – and p-isomers
B
o-Nitrophenol shows Intramolecular H-bonding
C
o-Nitrophenol shows Intermolecular H-bonding
D
Melting point of o-Nitrophenol is lower than those of m-and p-isomers.

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Organic ChemistryHydrogen Bonding

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