CBSE Class 12-science Answered
Describe the nature of bonding in metal carbonyls?
Asked by Topperlearning User | 07 Apr, 2014, 10:22: AM
Expert Answer
In the metal carbonyls, the metal and the carbon atom of the monoxide overlap. The first overlap of the filled carbon sigma orbital with an empty metal d-orbitals result in sigma bond between the metal and carbon atom of the carbon monoxides. Here, the donation of lone pair of electrons of carbon into vacent d-orbital of the metal takes place. Secondly, there is a formation of pi bond between metal and carbon by the donation of a pair of electrons from a filled d-orbital of metal into the vacant antibonding π* orbital of carbon monoxide. Due to the synergic effect, the bond between CO and the metal is strengthened.
Answered by | 07 Apr, 2014, 12:22: PM
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