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 · Q93 of 120

Geo-Scientist Prelims 2021 Chemistry Q93: In 2-butanol observed angle of rotation is 1.03°, concentration of…

QuestionStereochemistry / optical rotation

In 2-butanol observed angle of rotation is 1.03°, concentration of sample is 1M and length of sample tube is 10 cm. Specific angle of rotation will be:

  1. (a) 1.392°
  2. (b) 13.92°
  3. (c) 14.20°
  4. (d) 139.2°

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