The correct combination of metal, number of carbonyl ligands and the charge for a metal carbonyl complex… · ABC26IN1349

Subject: Inorganic Chemistry · Chapter: Organometallic Compounds · Topic: 18 Electron Rule · Exam: CSIR NET DEC 2011 · Marks: 2 · Difficulty: Medium

The correct combination of metal, number of carbonyl ligands and the charge for a metal carbonyl complex $[\mathrm{M(CO)_x}]^{z-}$ that satisfies the 18 electron rule is

(a)$M=T i, x=6, z=1$

(b)$M=V, x=6, z=1$

(c)$M=C o, x=4, z=2$

(d)$M=M o, x=5, z=1$

Answer

Answer: B ✓ checked by 4AB · confidence high

Explanation

[V(CO)₆]⁻: 5 + 12 + 1 = 18. Ti: 4 + 12 + 1 = 17; [Co(CO)₄]²⁻ = 19; [Mo(CO)₅]⁻ = 17.

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