UPSC Combined Geo-Scientist, Mains · 2016 · Mains Paper I
Q11(a). SnCl₂ in HCl and NH₃; CO₂ vs SiO₂; SnCl₂ vs PbCl₂
Question
Comment on the following: (i) SnCl₂ dissolves in HCl but not in ammonia. (ii) CO₂ is a molecular gas but SiO₂ is a solid. (iii) SnCl₂ shows reducing behaviour, PbCl₂ does not.
Model answer
The free solution for 2016 answers questions 1, 3, 5, 6, 9 and 10, the ones picked in its time plan. This part is not answered on the site yet. New answers are announced on Telegram.
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CoversSnCl2inert pair effectCO2 vs SiO2group 14
All parts of Question 11
- 11(a) SnCl₂ in HCl and NH₃; CO₂ vs SiO₂; SnCl₂ vs PbCl₂15 marks
- 11(b) Detection and measurement of nuclear radiations15 marks