UPSC Combined Geo-Scientist, Mains · 2023 · Mains Paper I
Q2(c). Jahn-Teller splitting in Ti(III) spectra
Question
How does Jahn-Teller effect explain the unsymmetrical electronic spectra of octahedral complexes of Ti³⁺?
Model answer
The free solution for 2023 answers questions 1, 3, 4, 7, 8 and 10, the ones picked in its time plan. Question 2 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
Topic notes: crystal field theory, with every Civil Services, IFoS and Geo-Scientist PYQ →
CoversJahn-Teller effectTi3+ d1 spectrum[Ti(H2O)6]3+d-d transitionasymmetric absorption band
All parts of Question 2
- 2(a) Trans-effect control of platinum substitution10 marks
- 2(b) Kurnakov test for cis and trans complexes10 marks
- 2(c) Jahn-Teller splitting in Ti(III) spectra10 marks