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 · 2023 · Paper II, Chemistry · Q89 of 120

Geo-Scientist Prelims 2023 Chemistry Q89: Which one of the following is not a meso compound ?

QuestionStereochemistry / meso compounds

Which one of the following is not a meso compound ?

UPSC Combined Geo-Scientist Prelims 2023 Paper II (Chemistry), Q89: answer options as printed
  1. (a) Hexane-3,4-diol drawn as (3R,4S)
  2. (b) 2,3-Dibromobutane drawn as (2R,3S)
  3. (c) Butane-2,3-diol drawn as (2R,3R)
  4. (d) 2,5-Dibromohexane drawn as (2R,5S)

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

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