Q55 · CSIR-NET Chemistry, June 2019

Paper: CSIR-NET June 2019 · Subject: Inorganic Chemistry · Chapter: Organometallic Compounds · Topic: Organometallic Compounds – General · Marks: 2 · Difficulty: Easy

The organic species isolobal to $\left[\mathrm{Fe}(\mathrm{CO})_{2}\left(\mathrm{PPh}_{3}\right)\right]^{-}$is
(a)$\mathrm{CH}_{2}{ }^{+}$
(b)$\mathrm{CH}^{-}$
(c)$\mathrm{CH}_{3}$
(d)CH
Answer
Answer: D ✓ checked by 4AB · confidence high
Explanation
15-electron ML₃ fragment — isolobal with CH (d).

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