The range of radius ratio (cationic to anionic) for an octahedral arrangement

The range of radius ratio (cationic to anionic) for an octahedral arrangement of ions in an ionic solid is

Options

(a) 0 – 0.155
(b) 0.155 – 0.225
(c) 0.225 – 0.414
(d) 0.414 – 0.732

Correct Answer:

0.414 – 0.732

Explanation:

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