UPSC Combined Geo-Scientist, Mains · 2017 · Mains Paper I
Q9(a). Cr(CO)₆ monomer but Mn₂(CO)₁₀ dimer
Question
While chromium hexacarbonyl exists as a monomer, manganese carbonyl forms a dimer. Rationalize your answer.
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.
Part of VKC Basic
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Covers18-electron ruleCr(CO)6Mn2(CO)10metal-metal bond
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