ortho-Nitrophenol is less soluble


ortho-Nitrophenol is less soluble in water than $\mathrm{p}-$ and $\mathrm{m}-$ Nitrophenols because :-

  1. Melting point of o-Nitrophenol is lower than those of $m$ - and $\mathrm{p}$ - isomers

  2. o-Nitrophenol is more volatile in steam than those of $\mathrm{m}-$ and $\mathrm{p}$ - isomers

  3. o-Nitrophenol shows Intramolecular H-bonding

  4. o-Nitrophenol shows Intermolecular H-bonding

Correct Option: , 3


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