1.

The ionicradiusofCris minimum inwhichthe followingcompounds ?

Answer»

`K_(2) CrO_(4)`
`CrF_(3)`
`CrO_(2)`
`CrC1_(3)`

SOLUTION :AMONGST `K_(2) CrO_(4) , CrF_(3),CrO_(2) ` and `CrC1_(3) ,Cr` has the maximumoxidation numberof + 6IN `K_(2)CrO_(4)` and hencehas theminimum IONICRADIUS.


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