UPSC Combined Geo-Scientist, Mains · 2024 · Mains Paper I
Q7(b)(ii). Tetrahedral Ir₄(CO)₁₂
Question
(ii) Show the cluster structure of Ir₄(CO)₁₂ with its metal–metal bonds.
Model answer
The free solution for 2024 answers questions 1, 2, 5, 6, 9 and 11, the ones picked in its time plan. Question 7 is answered in full in the Geo-Scientist Chemistry Paper I, 2021 to 2025 book, with every part of every paper.
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UPSC Combined Geo-Scientist (Main) Chemistry Paper I: Model Answers 2021 to 2025
- All eleven questions of each paper, with the question printed above its answer
- Titration, gravimetric and nuclear numericals worked with units; structures drawn
- Topic-wise weightage and a topic-wise index
CoversIr4(CO)12tetrahedral metal clustermetal-metal bondscarbonyl cluster
All parts of Question 7
- 7(a) Oxidative addition and reductive elimination10 marks
- 7(b)(i) Two forms of dicobalt octacarbonyl5 marks
- 7(b)(ii) Tetrahedral Ir₄(CO)₁₂5 marks
- 7(c) Why thick bottle glass looks coloured10 marks