The organic species isolobal to [Fe(CO)₂(PPh₃)]⁻ is · ABC26IN0278
Subject: Inorganic Chemistry · Chapter: Organometallic Compounds · Topic: Organometallic Compounds – General · Exam: CSIR NET 2018 · Marks: 2 · Difficulty: Easy
The organic species isolobal to $\mathrm{[Fe(CO)_2(PPh_3)]^-}$ is
(a)$\mathrm{CH_2^{+}}$
(b)$\mathrm{CH^{-}}$
(c)$\mathrm{CH_3}$
(d)$\mathrm{CH}$
Answer
Answer: D ✓ checked by 4AB · confidence high
Explanation
[Fe(CO)₂(PPh₃)]⁻ is a 15-electron ML₃ fragment (three short of 18, three frontier orbitals) — isolobal with CH (d).
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