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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 · Q97 of 120

Geo-Scientist Prelims 2023 Chemistry Q97: The correct order of reactivity of the following alkyl halides in…

QuestionOrganic / SN2 reactivity

The correct order of reactivity of the following alkyl halides in SN2 reaction is :

UPSC Combined Geo-Scientist Prelims 2023 Paper II (Chemistry), Q97: figure printed with the question
  1. (a) IV > III > II > I
  2. (b) I > III > II > IV
  3. (c) IV > III > I > II
  4. (d) II > I > IV > III

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