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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 · 2021 · Paper II, Chemistry · Q120 of 120

Geo-Scientist Prelims 2021 Chemistry Q120: In which of the following solvents the neighboring group rate…

QuestionNeighbouring group participation / solvent effect

In which of the following solvents the neighboring group rate enhancement by phenyl group in the solvolysis of PhCH₂CH₂OTs is maximum?

  1. (a) EtOH
  2. (b) HCOOH
  3. (c) CF₃COOH
  4. (d) CH₃COOH

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