Coordination CompoundHard
Question
Among the following, metal carbonyls, the C − O bond is strongest :
Options
A.[Mn(CO)6]+
B.[Cr(CO)6]
C.[V(CO)6]-
D.[Ti(CO)6]2-
Solution
As + ve charge on the central metal atom increases, the less readily the metal can donate electron density into the π* orbitals of CO ligand to weaken the C − O bond.
Hence order of C − O bond strength is : [Mn(CO)6]+ > [Cr(CO)6] > [V(CO)6]- > [Ti(CO)6]2-.
Hence order of C − O bond strength is : [Mn(CO)6]+ > [Cr(CO)6] > [V(CO)6]- > [Ti(CO)6]2-.
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