UPSC Combined Geo-Scientist, Mains · 2018 · Mains Paper I
Q10(b). Ortho-, pyro-, cyclic and chain silicates
Question
Give one example each of (i) orthosilicate (ii) pyrosilicate (iii) cyclic silicate and (iv) chain silicate and draw their structures.
Model answer
The free solution for 2018 answers questions 1, 3, 4, 6, 8 and 11, 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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Coverssilicatesorthosilicatepyrosilicatecyclic silicatepyroxene chain
All parts of Question 10
- 10(a) Diborane from BF₃: structure, bonding, reactions with water and NH₃15 marks
- 10(b) Ortho-, pyro-, cyclic and chain silicates15 marks