Question:

Phenol, p-Methylphenol, m-Nitrophenol and p-Nitrophenol follows order of increasing acidic strength

Updated On: May 5, 2024
  • Phenol, p-Methylphenol, p-Nitrophenol, m-Nitrophenol
  • p-Methylphenol, Phenol, m-Nitrophenol, p-Nitrophenol
  • p-Methylphenol, m-Nitrophenol, Phenol, p-Nitrophenol
  • m-Nitrophenol, p-Nitrophenol, Phenol and p-Methylphenol
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The Correct Option is B

Solution and Explanation

- I group increases acidity of the compound whereas + I group reduces acidity. At $m$-position with respect to $- OH$, the nitro group increases the acidity lesser than that of at Ortho and Para-positions.
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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