1.

In which of the following coordinaton entities the magnitude ofDelta _0 will be maximum?

Answer»

`[CO(CN)_(6)]^(3-)`
`[Co(C_(2)O_(4))_(3)]^(3-)`
`[Co(H_(2)O)_(6)]^(3+)`
`[Co(NH_(3))_(6)]^(3+)`

Answer :A


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