1.

Among the following metal carbonyls, the C-O bond order is lowest in.

Answer»

`[MN(CO)_(6)]^(+)`
`[Fe(CO)_(5)]`
`[Cr(CO)_(6)]`
`[V(CO)_(6)]^(-)`

Solution :In metal CARBONYL compound
C–O bond ORDER `prop` +ve CHARGE on central metal
`prop (1)/("-ve charge on central metal")`


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