UPSC Combined Geo-Scientist
Chemist
- 3 descriptive papers
- 200 marks each
- 3 h per paper
Mains Paper III covers analytical and organic chemistry.
Mains Paper III, analytical and organic chemistry
Questions by topic
Every part of the 2016 to 2025 papers filed under its syllabus unit: 500 parts and 3110 marks in all. Open a unit to see all its questions, newest first, each on its own page.
- A1 Errors in quantitative analysis15 parts100 marks
- A2 Separation methods32 parts222 marks
- A3 Spectroscopic methods of analysis49 parts334 marks
- A4 Thermal methods of analysis14 parts90 marks
- A5 X-ray methods of analysis17 parts155 marks
- A6 Inductively coupled plasma spectroscopy16 parts100 marks
- A7 Analysis of geological materials75 parts492 marks
- B1 Unstable, uncharged intermediates19 parts102 marks
- B2 Addition reactions23 parts129 marks
- B3 Reactions at the carbonyl group57 parts364 marks
- B4 Oxidation and reduction21 parts118 marks
- B5 Electrocyclic reactions42 parts233 marks
- B6 Spectroscopic methods of analysis72 parts400 marks
- – Outside the listed units48 parts271 marks
Each part is filed under the one unit it mainly tests. Where a part touches two units, the section it was set in and the wording of the syllabus decide.