Chapter 12: Problem 20
The correct statement \((\mathrm{s})\) regarding the binary transition metal carbonyl compounds is (are) (Atomic numbers: \(\mathrm{Fe}=26, \mathrm{Ni}=28\) ) (A) Total number of valence shell electrons at metal centre in \(\mathrm{Fe}(\mathrm{CO})_{5}\) or \(\mathrm{Ni}(\mathrm{CO})_{4}\) is 16 (B) These are predominantly low spin in nature (C) Metal-carbon bond strengthens when the oxidation state of the metal is lowered (D) The carbonyl \(\mathrm{C}-\mathrm{O}\) bond weakens when the oxidation state of the metal is increased
Short Answer
Step by step solution
Determine valence electrons for Fe in Fe(CO)\(_5\)
Determine valence electrons for Ni in Ni(CO)\(_4\)
Assess spin nature of the compounds
Evaluate the impact of metal's oxidation state on Metal-Carbon bond strength
Assess the impact of metal's oxidation state on the carbonyl C-O bond
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