UPSC Combined Geo-Scientist
Chemist
- 3 descriptive papers
- 200 marks each
- 3 h per paper
Mains Paper I covers inorganic chemistry.
All years
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Mains Paper I, inorganic chemistry
Question paper, 2020
UPSC Combined Geo-Scientist, Stage II (Mains). 8 pages, as issued by UPSC.
Every question of 2020, one page each37 parts in 11 questions, with the question as text and the key points of its answer
Question 1 50 marks
- 1(a)Normal and inverse spinels5 marks
- 1(b)Trans effect5 marks
- 1(c)Boric acid titration5 marks
- 1(d)Aluminium oxinate5 marks
- 1(e)Iodometry and iodimetry5 marks
- 1(f)Magnesium-assisted EDTA endpoint5 marks
- 1(g)Triiron dodecacarbonyl5 marks
- 1(h)Masking and demasking5 marks
- 1(i)Iodine beta decay5 marks
- 1(j)Transition elements and CuCl5 marks
Question 2 30 marks
Question 3 30 marks
Question 4 30 marks
Question 5 30 marks
Question 6 30 marks
Question 7 30 marks
Question 8 30 marks
Question 9 30 marks
Question 10 30 marks