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Choose the correct statement about Metal...

Choose the correct statement about Metal Carbonyls :

A

Decacarbonyl-dimanganese(0) is made up of two square pyramidal `Mn(CO)_(5)` units joined by a Mn-Mn bond

B

Octahedral-dicobalt(0) has a Co-Co bond bridged by two CO groups

C

`M-C pi-bond` is formed by the donation of a pair of electrons from a filled d-orbital of metal into the vacant antibonding `pi^(**)` orbital of carbon monoxide

D

A total of ten M-C `sigma bonds` are present in `[Co_(2)(CO)_(8)]` complex

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The correct Answer is:
A, B, C, D
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