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In metal carbonyl having and genral form...

In metal carbonyl having and genral formula `M(CO)_(x)`, where, M = metal, x = 4 and the metal is bonded to

A

carbon and oxygen

B

`CequivO`

C

oxygen

D

carbon

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The correct Answer is:
D
In metal carbonyl `M(CO)_(4)` , metal is bonded to the ligand CO through carbon atoms. These compounds contam both `sigma" and "pi`-bonded complexes.
`sigma`-bond between metal and carbon atom is formed when a vacant hybrid orbital of the metal atom overlaps with an orbital on C-atom of carbon rnonooxide containing a low pair of electron Formation of `pi`-bond is occurs when a filled orbital of the metal atom overlaps with a vacant antibonding `pi`-orbital of C-atom of Co.
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NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-COORDINATION COMPOUNDS-EXERCISE
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