1.

For an ionic solid of the genrel formula `AB` and coordination number `6` , the value of the radius ratio will beA. less then `0.225`B. in bwetween `0.225` and `0.732`C. between `0.414` and `0.732`D. greater then `0.732`

Answer» Correct Answer - a
Ionic solid having `C.N = 6` cations in octabudral hles
Hence `0.414 lt((r_(+))/(r_(-)))lt 0.732`


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