Suggest the most suitable reagents for the following oxidation reactions.
a. propan-1-ol → propanal
b. propan-2-ol → 2-propanone
c. prop-2-en-1-ol → prop-2-enalFor each reaction, suggest two reagents: a chromium-based reagent and a non-chromium-based reagent.

• A. a. Chromium-based reagent: CrO₃/H₂SO₄
  Non-chromium reagent: NaOCl
  
  b. Chromium-based reagent: PCC
  Non-chromium reagent: KMnO₄
  
  c. Chromium-based reagent: PCC
  Non-chromium reagent: DMP or DMSO/oxalyl chloride
• B. a. Chromium-based reagent: CrO₃/H₂SO₄
  Non-chromium reagent: DMP or DMSO/oxalyl chloride
  
  b. Chromium-based reagent: CrO₃/H₂SO₄
  Non-chromium reagent: DMP or DMSO/oxalyl chloride
  
  c. Chromium-based reagent: CrO₃/H₂SO₄
  Non-chromium reagent: DMP or DMSO/oxalyl chloride
• C. a. Chromium-based reagent: PCC
  Non-chromium reagent: DMP or DMSO/oxalyl chloride
  
  b. Chromium-based reagent: CrO₃/H₂SO₄ or PCC
  Non-chromium reagent: DMP or DMSO/oxalyl chloride
  
  c. Chromium-based reagent: PCC
  Non-chromium reagent: DMP or DMSO/oxalyl chloride
• D. a. Chromium-based reagent: PCC
  Non-chromium reagent: DMP or DMSO/oxalyl chloride
  
  b. Chromium-based reagent: CrO₃/H₂SO₄ or PCC
  Non-chromium reagent: DMP or DMSO/oxalyl chloride
  
  c. Chromium-based reagent: PCC
  Non-chromium reagent: KMnO₄

Answer: (C)