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The corrrect order of C-O bond length am...

The corrrect order of C-O bond length among `CO, CO_3^(2-), CO_2` is

A

`CO_(3)^(2-), CO_(2),CO`

B

`CO_(2),CO_(3)^(2-),CO`

C

`CO, CO_(3)^(2-),CO_(2)`

D

`CO, CO_(2), CO_(3)^(2-)`

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If in the mixed carbonyl the other ligand is also pi acceptor it would compete with the ligand CO for gaining the metal d_(pi) electron charge The higher is the extent of back donation in CO , the lesser will be the stretching vibration frequency for C-O bond If PP_(3) is better pi-acceptor than CO then answer the following Select the correct order of C-O bond length in the following molecules . (I) [Mo(CO)_(3)(PF_(3))_(3)] (II) [Mo(CO)_(3)(PCI_(3))_(3)] (III) [Mo(CO)_(3)(P(Me)_(3)_(3)] (a) IgtIIgtIII (b) IIIgtIgtII (c) IIgtIIIgtI (d) IltIIltIII

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VMC MODULES ENGLISH-p-BLOCK ELEMENTS-1-LEVEL 1
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