VKC ScienceChemistry for written exams Telegram

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 · Q108 of 120

Geo-Scientist Prelims 2021 Chemistry Q108: The major product formed in the following reaction is:

QuestionAlkenes / halohydrin-type addition

The major product formed in the following reaction is:

UPSC Combined Geo-Scientist Prelims 2021 Paper II (Chemistry), Q108: figure printed with the question
UPSC Combined Geo-Scientist Prelims 2021 Paper II (Chemistry), Q108: answer options as printed
  1. (a) trans-3-bromo-2-methoxytetrahydropyran (Br wedge, OMe hash)
  2. (b) trans-2-bromo-3-methoxytetrahydropyran
  3. (c) cis-2,3-dibromotetrahydropyran
  4. (d) trans-2,3-dimethoxytetrahydropyran

Part of VKC Basic

Read the answer and its explanation with VKC Basic

VKC Basic (₹999 for 6 months) opens every solved answer, the notes, the handbook and the daily answer archive. Every Mains test series includes it.

See what is included Already a member? Sign in

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

Take this paper offlineAll 120 questions with answers and explanations in one PDF.
Download PDFJoin Telegram