(B) Due to intramolecular $H-$bonding,the $-OH$ group is not available to form a hydrogen bond with water molecules.Hence,$o-$nitrophenol is sparingly

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$o-$Nitrophenol shows intramolecular $H-$bonding.

(B) Due to intramolecular $H-$bonding,the $-OH$ group is not available to form a hydrogen bond with water molecules.Hence,$o-$nitrophenol is sparingly soluble in water,while $m-$ and $p-$nitrophenols are more soluble due to their ability to form intermolecular $H-$bonding with water.

Class 12 Chemistry Alcohols, Phenols and Ethers Properties of Phenols

Medium

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

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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.