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The boiling point of p-nitrophenol is hi...

The boiling point of `p-`nitrophenol is higher than that of `o-`nitrophenol because.

A

`NO_(2)` group at p- position behaves in a different way from that at `o-` position.

B

interamolecular hydrogen bonding exists in `p-` nitrophenol.

C

there is intermolecular hydrogen bonding in `p-` nitrophenol

D

`p-` nitrophenol has a higher molecular mass than `o-` nitrophenol.

Text Solution

Verified by Experts

The correct Answer is:
C
Nitrophenol is less volatile due to intermolecular hydrogen bonding which causes the association of molecules.

On the other hand, `o-`nitrophenol exhibits intramolecular `H-`bonding.
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Assertion : Boiling point of p-nitrophenol is greater than that of o-nitrophenol. Reason : There is intramolecular hydrogen bonding in p-nitrophenol and intermolecular hydrogen bonding in o-nitrophenol.

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R SHARMA-ALCOHOL, PHENOL AND ETHERS-PHENOLS (II)
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