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, 2022
UPSC Combined Geo-Scientist, Stage II (Mains). 7 pages, as issued by UPSC.
Every question of 2022, one page each41 parts in 11 questions, with the question as text and the key points of its answer
Question 1 50 marks
- 1(a)Minerals and framework structures5 marks
- 1(b)Ground terms by L-S coupling5 marks
- 1(c)Square-planar stereoisomers5 marks
- 1(d)Carbonate in carbonic acid5 marks
- 1(e)Chloride from silver chloride5 marks
- 1(f)Iron percentage by permanganate5 marks
- 1(g)Masking copper to determine nickel5 marks
- 1(h)Carbonyl ligand counts5 marks
- 1(i)Carbon-14 dating of wood5 marks
- 1(j)Oxidising power across the series5 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