Question:

o-Nitrophenol is more volatile than p-nitrophenol Intramolecular hydrogen bonding is present in o-nitrophenol while intermolecular H bonding is in p-nitrophenol.

Updated On: Jul 28, 2022
  • If both Assertion and Reason are true and Reason is the correct explanation of Assertion
  • If both Assertion and Reason are true but Reason is not the correct explanation of Assertion
  • If Assertion is true but Reason is false
  • If Assertion is false but Reason is true
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The Correct Option is A

Solution and Explanation

$p$-Nitrophenol has higher boiling point than $o$-nitrophenol, because intermolecular hydrogen bonding present in $p$-nitrophenol is responsible for it. But intramolecular hydrogen bonding in $o$-nitrophenol does not effect boiling point.
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Concepts Used:

Alcohols, Phenols, and Ethers

Alcohol is formed when a saturated carbon atom bonds to a hydroxyl (-OH) group. It is an organic compound that contains a hydroxyl functional group attached to a carbon atom.

Phenol is formed when the -OH group replaces the hydrogen atom in benzene. It is an organic compound in which a hydroxyl group directly attaches to an aromatic hydrocarbon.

Ether is formed when oxygen atom bonds to two alkyl or aryl groups. It is an organic compound that has an oxygen atom that is connected to two aryl and alkyl groups.

Read More: Alcohol, Phenol, and Ethers