UPSC Combined Geo-Scientist, Mains · 2024 · Mains Paper II
Q7(b). First four Stokes lines in the rotational Raman spectrum of CO₂
Question
What Raman shifts (in cm⁻¹) are expected for the first four Stokes lines for CO₂ (B = 0.3906 cm⁻¹)?
Model answer
The free solution for 2024 answers questions 1, 2, 3, 4, 5, 8, 9, 13, 14 and 15, the ones picked in its time plan. Question 7 is answered in full in the Geo-Scientist Chemistry Paper II, 2021 to 2025 book, with every part of every paper.
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UPSC Combined Geo-Scientist (Main) Chemistry Paper II: Model Answers 2021 to 2025
- All fifteen questions of each paper, with the question printed above its answer
- Numericals worked from formula to result with units; graphs with labelled axes
- Topic-wise weightage and a topic-wise index
Coversrotational Raman spectrumStokes linesCO₂nuclear spin statisticsrotational constant
All parts of Question 7
- 7(a) Assumptions of the Langmuir adsorption isotherm5 marks
- 7(b) First four Stokes lines in the rotational Raman spectrum of CO₂5 marks