4AB › Chemistry PYQ › CSIR-NET › December 2013 › Q69Q69 · CSIR-NET Chemistry, December 2013 Paper: CSIR-NET December 2013 · Subject: Inorganic Chemistry · Chapter: Organometallic Compounds · Topic: Organometallic Compounds – General · Marks: 2 · Difficulty: Easy
Which of the following in NOT suitable as catalyst for hydroformylation?
(a) $\mathrm{HCo}(\mathrm{CO})_{4}$
(b) $\mathrm{HCo}(\mathrm{CO})_{3} \mathrm{PBu}_{3}$
(c) $\mathrm{HRh}(\mathrm{CO})\left(\mathrm{PPh}_{3}\right)_{3}$
(d) $\mathrm{H}_{2} \mathrm{Rh}\left(\mathrm{PPh}_{3}\right)_{2} \mathrm{Cl}$
Answer Answer: D ✓ checked by 4AB · confidence high
Explanation HCo(CO)₄, HCo(CO)₃PBu₃ and HRh(CO)(PPh₃)₃ are the classical hydroformylation catalysts; H₂Rh(PPh₃)₂Cl is a hydrogenation intermediate (Wilkinson), not a carbonyl catalyst.
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