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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 · 2025 · Paper II, Chemistry · Q105 of 120

Geo-Scientist Prelims 2025 Chemistry Q105: Which one of the following alkenes cannot produce…

QuestionOrganic / Markovnikov addition

Which one of the following alkenes cannot produce 3-chloro-3-methylhexane as the major product by addition of HCl ?

  1. (a) 3-ethylpent-2-ene
  2. (b) 3-methylenehexane
  3. (c) (E)-3-methylhex-2-ene
  4. (d) (Z)-3-methylhex-3-ene

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