UPSC Combined Geo-Scientist, Mains · 2017 · Mains Paper I
Q9(b). C–C distances in a Rh(C₂H₄)(C₂F₄) complex
Question
The C–C distances in [(L)Rh(C₂H₄)(C₂F₄)], L = acetylacetonate, are 201–202 pm (H₂C=CH₂) and 217–219 pm (F₂C=CF₂). Rationalize this observation.
Model answer
The free solution for 2017 answers questions 1, 2, 4, 7, 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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CoversDewar-Chatt-Duncanson modelmetal-alkene bondingback donationtetrafluoroethylene
All parts of Question 9
- 9(a) Cr(CO)₆ monomer but Mn₂(CO)₁₀ dimer10 marks
- 9(b) C–C distances in a Rh(C₂H₄)(C₂F₄) complex10 marks
- 9(c) Products of a nucleophilic addition10 marks