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 · Q54 of 120

Geo-Scientist Prelims 2021 Chemistry Q54: Consider the following statements regarding Joule Thomson effect:

QuestionThermodynamics / Joule–Thomson effect

Consider the following statements regarding Joule Thomson effect:

  1. Joule Thomson effect occurs at constant enthalpy
  2. For perfect gas Joule Thomson coefficient is zero
  3. Heating effect corresponds to positive value of Joule Thomson coefficient

Which of the statements given above is/are correct?

  1. (a) 1 and 3
  2. (b) 1 and 2
  3. (c) 2 and 3
  4. (d) 3 only

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: the first law of thermodynamics, adiabatic changes, the Joule–Thomson effect and thermochemistry, 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