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In the Iso-electronic series of metal ca...

In the Iso-electronic series of metal carbonyls, the C-O bond strength is expected to increase in the order:-

A

`[Mn(CO)_(6)]^(+1) lt [Cr(CO)_(6)] lt [V(CO)_(6)]^(-1)`

B

`[V(CO)_(6)]^(-1) lt [Cr(CO)_(6) ] lt [Mn(CO)_(6)]^(+1)`

C

`[V(CO)6]^(-1) lt [Mn(CO)_(6)]^(+1) lt [Cr(CO)_(6)]`

D

`[Cr(CO)_(6)] lt [Mn(CO)_(6)]^(+1) lt [V(CO)_(6)]^(-1)`

Text Solution

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The correct Answer is:
B
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