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UPSC Combined Geo-Scientist

Chemist

  • 2 objective papers
  • 120 questions each
  • 2 h per paper
  • 100 + 300 marks

Prelims Paper II covers chemistry.

UPSC Combined Geo-Scientist, Prelims · 2023 · Paper II, Chemistry · Q113 of 120

Geo-Scientist Prelims 2023 Chemistry Q113: Which one of the following substrates undergoes bromination…

QuestionOrganic / electrophilic substitution and activating groups

Which one of the following substrates undergoes bromination reaction on aromatic ring at fastest rate ?

UPSC Combined Geo-Scientist Prelims 2023 Paper II (Chemistry), Q113: answer options as printed
  1. (a) 1,2,3,4-Tetrahydronaphthalene (tetralin)
  2. (b) 1,2,3,4-Tetrahydroquinoline
  3. (c) 1,2,3,4-Tetrahydroisoquinoline
  4. (d) 3,4-Dihydroisoquinolin-1(2H)-one

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