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MHT CET202615 April 2026Evening ShiftChemistryAlcohols Phenols and EthersActual

Which of following on oxidation forms propanone?

Options

  1. A1-Propanol
  2. B2-Propanol
  3. C2-Butanol
  4. D2- methylbutan-1-ol

Correct answer

B. 2-Propanol

Step-by-step solution

Oxidation of secondary alcohols yields ketones. 2-Propanol is a secondary alcohol containing three carbon atoms. Upon oxidation with common oxidizing agents like acidic K₂Cr₂O₇ or KMnO₄ , it forms propanone (acetone). CH₃-CH(OH)-CH₃ [O] CH₃-CO-CH₃ + H₂O 1-Propanol is a primary alcohol and oxidizes to propanal, which further oxidizes to propanoic acid. 2-Butanol oxidizes to 2-butanone. 2-methylbutan-1-ol oxidizes to 2-methylbutanoic acid. Answer: 2-Propanol

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