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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 · 2021 · Paper II

Q2(c)(i). p-Toluidine to m-bromotoluene

Question

Convert p-toluidine into m-bromotoluene using suitable reagents and conditions.

Answer in brief

Protect NH₂, brominate ortho to the protected amino group, hydrolyse, then remove NH₂ through diazotization and reduction.

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The full model answer

As written for the answer booklet: the diagram carries the working, the lines stay short. Read here only; it is not offered as a download.

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Topic notes: aromatic substitution (electrophilic, nucleophilic) and heterocycles, with every Civil Services, IFoS and Geo-Scientist PYQ →

Coversp-toluidinem-bromotolueneacetanilide protectiondiazotizationH₃PO₂ deamination

All parts of Question 2