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The bond length of `C-O` bond in carbon monoxide is `1.128A` The `C-O` bond length in `[Fe(CO)_(5)]` is .

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The bond length of `C-O` bond in carbon monoxide is `1.128A` The `C-O` bond length in `[Fe(CO)_(5)]` is .
A. (a) `1.128Å`
B. (b) `1.72Å`
C. (c) `1.118Å`
D. (d) `1.15Å`
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Correct Answer - D
Due to synergic bond formation, bond order decreases and bond length increases a little.
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