Q53 · CSIR-NET Chemistry, June 2014

Paper: CSIR-NET June 2014 · Subject: Inorganic Chemistry · Chapter: Organometallic Compounds · Topic: Organometallic Compounds – General · Marks: 2 · Difficulty: Easy

Amongst the following which is not isolobal pairs
(a)$\mathrm{Mn}(\mathrm{CO})_{5}, \mathrm{CH}_{3}$
(b)$\mathrm{Fe}(\mathrm{CO})_{4}$, O
(c)$\mathrm{Co}(\mathrm{CO})_{3}, \mathrm{R}_{2} \mathrm{Si}$
(d)$\mathrm{Mn}(\mathrm{CO})_{5}$, RS
Answer
Answer: C ✓ checked by 4AB · confidence high
Explanation
Co(CO)₃ is isolobal with CH, not R₂Si (c).

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