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Which complex of Co^(2+) will have the ...

Which complex of `Co^(2+)` will have the weakest crystal field splitting

A

`[Co(CN)_6]^(4-)`

B

`[CoCl_6]^(4-)`

C

`[Co(e n)_3]^(2+)`

D

`[Co(H_2O)_6]^(2+)`

Text Solution

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The correct Answer is:
B
Properties of ionic solid
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