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Which of the following has lowest CO (carbonyl) bond order ? A)[Mn(CO) 6 ] + B)[Fe(CO) 5] C)[Cr(CO) 6] D)[V(CO) 6 ] -

Which of the following has lowest CO (carbonyl) bond order ?
A)[Mn(CO)6]+
B)[Fe(CO)5]
C)[Cr(CO)6]
D)[V(CO)6]-

Grade:12

1 Answers

Sunil Kumar FP
askIITians Faculty 183 Points
7 years ago
Here the answer will be [Fe(CO)5] here the presence of lone pair is 4 which is greater than the other three .Here we will be having four lone pair of back bonding in the presence of CO

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