1.

The complex ion having minimum magnitude of triangle_circ (CFSE) in octahedral field is

Answer»

`[CoCl_6]^(3-)`
`[CO(CN)_6]^(3-)`
`[Co(H_2O)_6]^(3+)`
`[Co(NH_3)_6]^(3+)`

ANSWER :A


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