Among the following metal carbonyl species, the one with the highest metal-carbon back bonding is · ABC26IN0760
Subject: Inorganic Chemistry · Chapter: Organometallic Compounds · Topic: Organometallics – General · Exam: JAM 2005-2022 · Marks: 2 · Difficulty: Medium
Among the following metal carbonyl species, the one with the highest metal-carbon back bonding is
(a)$\left[\mathrm{Ti}(\mathrm{CO})_{6}\right]^{2-}$
(b)$\left[\mathrm{V}(\mathrm{CO})_{6}\right]^{-}$
(c)$\mathrm{Cr}(\mathrm{CO})_{6}$
(d)$\left[\mathrm{Mn}(\mathrm{CO})_{6}\right]^{+}$
Answer
Answer: A ✓ checked by 4AB · confidence high
Explanation
The most negatively charged carbonyl [Ti(CO)₆]²⁻ has the strongest back-bonding (a).
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