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Oxidation of ethanal (CH₃CHO) with a strong oxidizing agent like K₂Cr₂O₇/H₂SO₄ yields ethanoic acid (CH₃COOH).
Ref: NCERT Class 12 Chemistry > Chapter 12: Aldehydes, Ketones and Carboxylic Acids > Topic: Nomenclature, Structure and Preparation of Aldehydes and Ketones
Ethanol (CH₃CH₂OH) oxidizes to acetaldehyde, which has a CH₃CO- group and gives a yellow iodoform precipitate with I₂ and NaOH.
Ref: NCERT Class 12 Chemistry > Chapter 7: Alcohols, Phenols and Ethers > Topic: Preparation of Alcohols - from Alkenes Haloalkanes Carbonyls Grignard
2-Methylpropan-2-ol ((CH₃)3COH), a tertiary alcohol, resists oxidation with KMnO₄ because it lacks an alpha hydrogen.
Ref: NCERT Class 12 Chemistry > Chapter 7: Alcohols, Phenols and Ethers > Topic: Preparation of Alcohols - from Alkenes Haloalkanes Carbonyls Grignard
Benzyl alcohol (C₆H₅CH₂OH), a primary alcohol, is oxidized to benzaldehyde (C₆H₅CHO) with PCC, which stops at the aldehyde stage.
Ref: NCERT Class 12 Chemistry > Chapter 7: Alcohols, Phenols and Ethers > Topic: Physical Properties and Acidity of Alcohols and Phenols
Benzyl alcohol (C₆H₅CH₂OH), a primary alcohol, is oxidized to benzoic acid (C₆H₅COOH) with KMnO₄, a strong oxidizing agent.
Ref: NCERT Class 12 Chemistry > Chapter 7: Alcohols, Phenols and Ethers > Topic: Classification and Nomenclature and Structures of Alcohols Phenols Ethers
Butan-2-ol (CH₃CH(OH)CH₂CH₃), a secondary alcohol, is oxidized to butan-2-one (CH₃COCH₂CH₃) with PCC.
Ref: NCERT Class 12 Chemistry > Chapter 7: Alcohols, Phenols and Ethers > Topic: Chemical Reactions of Phenols and Ethers and Uses
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