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The colour of the coordination compounds...

The colour of the coordination compounds depends on the crystal field splitting . What will be the correct order of absorption of wavelength of light in the visible region for the complexes , `[Co(NH_(3))_(6)]^(3+) , [Co(CN)_(6)]^(3-) , [Co(H_(2)O)_(6)]^(3+)` ?

A

`[Co(CN)_(6)]^(3-)gt[Co(NH_(3))_(6)]^(3+)gt[Co(H_(2)O)_(6)]^(3+)`

B

`[Co(NH_(3))_(6)]^(3+)gt[Co(H_(2)O)_(6)[^(3+)gt[Co(CN)_(6)]^(3-)`

C

`[Co(H_(2)O)_(6)]^(3+)gt[Co(NH_(3))_(6)]^(3+)gt[Co(CN)_(6)]^(3-)`

D

none of these

Text Solution

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The correct Answer is:
C
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