GATE Organic Chemistry: Oxidation: Oxidation of alcohols involving metal and non-metal-based (chromium, manganese, DMSO, and hypervalent iodine) reagents. Peracid oxidation of alkenes and carbonyls. Alkenes to diols (manganese and osmium-based reagents), alkenes to carbonyls with bond cleavage (ozonolysis), and alkenes to alcohols/carbonyls without bond cleavage (hydroboration-oxidation). Asymmetric epoxidations (Sharpless and Jacobsen) and Sharpless asymmetric hydroxylation. – Previous Year Questions

3 GATE previous year questions on Oxidation: Oxidation of alcohols involving metal and non-metal-based (chromium, manganese, DMSO, and hypervalent iodine) reagents. Peracid oxidation of alkenes and carbonyls. Alkenes to diols (manganese and osmium-based reagents), alkenes to carbonyls with bond cleavage (ozonolysis), and alkenes to alcohols/carbonyls without bond cleavage (hydroboration-oxidation). Asymmetric epoxidations (Sharpless and Jacobsen) and Sharpless asymmetric hydroxylation. (Organic Chemistry, Chemistry) with answers and explanations, from every paper.

1. GATE 2026 CY Q22 (1 mark, Multiple select) – The reaction(s) that give(s) meso-1,2-diphenylethane-1,2-diol as the major product is(are)
2. GATE 2025 CY Q25 (1 mark, Multiple select) – The correct option(s) of reagents and reaction sequences suitable for carrying out the following transformation is/are
3. GATE 2025 CY Q55 (2 marks, Multiple select) – For the following reaction, the possible product(s) is/are