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)`

In the Iso-electronic series of metal carbonyls, the C-O bond strength

1.	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)`
Answer» Correct Answer - B

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