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Karnataka Board PUCPUC Science 2nd PUC Class 12

Which of the following is most acidic? (a) Benzyl alcohol (b) Cyclohexanol (c) Phenol (d) m-chlorophenol

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Question

Which of the following is most acidic?

Options

  • Benzyl alcohol

  • Cyclohexanol

  • Phenol

  • m-chlorophenol

MCQ
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Solution

m-chlorophenol

Explanation:

m-chlorophenol is most acidic. The alpha carbon of benzyl alcohol and cyclohexanol is sp3 hybridized. In m-chlorophenol, it is sp2 hybridized. In m-chlorophenol, the electron-withdrawing group (−Cl) is present at the meta position.

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Chapter 11: Alcohols, Phenols and Ethers - Multiple Choice Questions (Type - I) [Page 156]

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NCERT Exemplar Chemistry Exemplar [English] Class 12
Chapter 11 Alcohols, Phenols and Ethers
Multiple Choice Questions (Type - I) | Q 13 | Page 156
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