Indian Forest Service (Mains), Chemistry optional · 2022 · Paper II

Q4(c). Cobalt-catalysed hydroformylation

10 marks
Topic: Chemistry and mechanism of reactions
Question only

Question

Explain the Co₂(CO)₈-catalysed reaction of propene with CO/H₂ shown in the question. [equation given in the paper]

Model answer

The free solution for 2022 answers questions 1, 3, 5, 7 and 8, 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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Topic notes: reagents for oxidation, reduction and hydroboration, with every Civil Services, IFoS and Geo-Scientist PYQ →

Covershydroformylationoxo processCo2(CO)8 catalystbutanalcatalytic cycle

All parts of Question 4

4(a) Claisen condensation followed by cyclization10 marks
4(b) Dieckmann cyclization of diethyl adipate10 marks
4(c) Cobalt-catalysed hydroformylation10 marks
4(d) Benzyne generation and capture5 marks
4(e) Thermal–photochemical–thermal switching5 marks