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Indian Forest Service (Mains)

Chemistry optional

  • 2 papers
  • 200 marks each
  • 3 h per paper

Paper II covers organic chemistry and spectroscopy.

Indian Forest Service (Mains), Chemistry optional · 2023 · Paper II

Q6(a). Selective reduction and alpha oxidation

Question

Give products and mechanisms for (i) cinnamaldehyde/LiAlH₄, ether, room temperature and (ii) cyclohexanone/SeO₂.

Answer in brief

(i) Cinnamyl alcohol after work-up. (ii) Cyclohexane-1,2-dione by Riley oxidation.

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Topic notes: reagents for oxidation, reduction and hydroboration, with every Civil Services, IFoS and Geo-Scientist PYQ →

CoversLiAlH₄ reductioncinnamaldehydecinnamyl alcoholSeO₂ Riley oxidationcyclohexane-1,2-dione

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