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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 · Q110 of 120

Geo-Scientist Prelims 2021 Chemistry Q110: The regioselective electrophilic addition of HOCl with propene…

QuestionAlkenes / Markovnikov addition

The regioselective electrophilic addition of HOCl with propene proceeds through:

UPSC Combined Geo-Scientist Prelims 2021 Paper II (Chemistry), Q110: answer options as printed
  1. (a) \(CH_3-\overset{+}{C}H-CH_2Cl\)
  2. (b) \(CH_3-\overset{+}{C}H-CH_2OH\)
  3. (c) CH₃–CH(OH)–CH₂⁺
  4. (d) CH₃–CH(Cl)–CH₂⁺

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Topic notes: addition to alkenes and alkynes (Markovnikov, stereochemistry, dienes), with every Civil Services, IFoS and Geo-Scientist PYQ →

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