1.

The crystal field-splitting for Cr^(3+) ion in octahedral field changes for ligands I^(-), H_(2)O, NH_(3), CN^(-) in increasing order is :

Answer»

`I^(-) LT H_(2)O lt NH_(3) lt CN^(-)`
`CN^(-) lt I^(-) lt H_(2)O lt NH_(3)`
`CN^(-) lt NH_(3) lt H_(2)O lt I^(-)`
`NH_(3) lt H_(2)O lt I^(-) lt CN^(-)`

ANSWER :A


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