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Among the following, metal carbonyls, the C-O bond is strongest:
A. |
`[Mn(CO)_6]^+` |
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B. |
`[Cr(CO)_6]` |
C. |
`[V(CO)_6]^-` |
D. |
`Ti(CO)_6]^(2-)` |
Synergic bonding