The GATE Grind

GATE Organic Chemistry: Types of Reactions: Nucleophilic and electrophilic substitution reactions (both aromatic and aliphatic). Addition reactions to carbon-carbon and carbon-heteroatom (N and O) multiple bonds. Elimination reactions. Reactive intermediates – carbocation, carbanion, carbenes, nitrenes, arynes and free radicals. Molecular rearrangements. Barton decarboxylation and Barton-McCombie reaction, Hunsdiecker reaction. – Previous Year Questions

5 GATE previous year questions on Types of Reactions: Nucleophilic and electrophilic substitution reactions (both aromatic and aliphatic). Addition reactions to carbon-carbon and carbon-heteroatom (N and O) multiple bonds. Elimination reactions. Reactive intermediates – carbocation, carbanion, carbenes, nitrenes, arynes and free radicals. Molecular rearrangements. Barton decarboxylation and Barton-McCombie reaction, Hunsdiecker reaction. (Organic Chemistry, Chemistry) with answers and explanations, from every paper.

  1. GATE 2026 CY Q11 (1 mark, Multiple choice) – The major product formed in the following reaction is
  2. GATE 2026 CY Q36 (2 marks, Multiple choice) – The major product formed in the following reaction is
  3. GATE 2025 CY Q26 (1 mark, Multiple select) – Among the given options, the possible product(s) that can be obtained from the following reaction is/are
  4. GATE 2025 CY Q54 (2 marks, Multiple select) – The process(es) and/or intermediate(s) through which the following transformation proceeds is/are
  5. GATE 2024 CY Q24 (1 mark, Multiple select) – The reaction(s) that yield(s) X as the major product is (are)