1.

For an ionic crystal of the formula `AX` and cooradition number `6`, the value of radius ratio will beA. greater than `0.73`B. In between `0.41 and 0.22`C. in between `0.73 and 0.41`D. Less than `0.22`

Answer» Correct Answer - c
The srtructure arrangement of coordanation number `6` is octabedral and the radius ratio is `0.414 - 0.732` .The example of octabedral is `KCI` and `NaCI`.


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