The ionic radii of A + and B - ions are 0.98 × 10 - 10 m and 1.81 × 10 - 10 m . The coordination number of each ion in AB is

Question

The ionic radii of A + and B - ions are 0.98 × 10 - 10 m and 1.81 × 10 - 10 m . The coordination number of each ion in AB is, 6, 4, 8, 2

MARKS App · Accepted Answer

Radius ratio of A + B - = 0.98 × 10 - 10 m 1.81 × 10 - 10 m = 0.98 1.81 = 0.541 If the radius ratio is between 0.414 and 0.732 then Co-ordination number is 6.

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