For which pair of complexes is the order...

For which pair of complexes is the order of values of `Delta_0` correct?

A

`[Rh(NH_(3))_(6)]^(3+) gt [Co(NH_(3))_(6)]^(3+)`

B

`[Fe(CO)_(6)]^(4-) gt [Fe(CN)_(^)]^(3-)`

C

`[Cr(H_(2)O)_(6)]^(2+) gt [Cr(H_(2)O)_(6)]^(3+)`

D

`[CrF_(6)]^(3-) gt [Cr(CN)_(6)]^(3-)`

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The correct Answer is:

A

`3drarr4d rarr5d" CFSE increases for the same ligands."`

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