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, 2016
UPSC Combined Geo-Scientist, Stage II (Mains). 7 pages, as issued by UPSC.
Every question of 2016, one page each38 parts in 11 questions, with the question as text and the key points of its answer
Question 1 50 marks
- 1(a)Occurrence of lithium5 marks
- 1(b)Bond order and ionisation5 marks
- 1(c)Solvent levelling5 marks
- 1(d)Disproportionation and its reverse5 marks
- 1(e)Interpreting the redox data5 marks
- 1(f)Existence of hydrogen and helium dimers5 marks
- 1(g)Packing fraction5 marks
- 1(h)Square-planar geometrical isomers5 marks
- 1(i)Ground term and angular momenta5 marks
- 1(j)Effective atomic number5 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






