(i) Discuss the nature of bonding in metal carbonyls. (ii) Draw figure to show the splitting of d-orbitals in an octahedral crystal field and write electronic configuration of `Mn^(2+)` ion when: (a) `p gt Delta_(@)` (b) `Delta_(@) gt p`
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The metal carbon bond in metal carbonyls possess bith `sigma and pi` character. The M-C `simga` bond if formed by the `M leftarrow C = O `while M-C `pi` bond if formed by the donation of a pair of electron from filled d-orbital of metal to aibinding `pi*` orbital of CO. (ii) (a) `t_(2g) ^(3)e_(g)^(2)` (b) `t_(2g) ^(5)e_(g)^(0)`
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