UPSC Combined Geo-Scientist, Mains · 2021 · Mains Paper II
Q13(b). Photochemical decomposition of hydrogen iodide
Question
What are the steps involved in the mechanism of photochemical decomposition of hydrogen-iodide reaction?
Model answer
The free solution for 2021 answers questions 1, 2, 3, 4, 6, 7, 10, 12, 14 and 15, the ones picked in its time plan. Question 13 is answered in full in the Geo-Scientist Chemistry Paper II, 2021 to 2025 book, with every part of every paper.
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UPSC Combined Geo-Scientist (Main) Chemistry Paper II: Model Answers 2021 to 2025
- All fifteen questions of each paper, with the question printed above its answer
- Numericals worked from formula to result with units; graphs with labelled axes
- Topic-wise weightage and a topic-wise index
Coversphotolysis of HIquantum yieldphotochemical decompositionprimary and secondary processeshydrogen iodide
All parts of Question 13
- 13(a) pH of a solution with the hydrogen electrode10 marks
- 13(b) Photochemical decomposition of hydrogen iodide10 marks