MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Inorganic ChemistrySolid stateCu Ag Au

The ratio of cationic radius to anionic radius in an ionic crystal is greater than 0.732. Its coordination number is

A.6

B.8✓ Correct

C.1

D.4

Explanation

The ratio of cationic radius to anionic radius in an ionic crystal is greater than 0.732 which corresponds to cubic coordination. Its co-ordination number is 8. Hence the correct answer is option (b)

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