JEE Main Chemistry question

Not in JEE Main or NEET syllabus

The ratio of cations to anions in a close-packed tetrahedral arrangement is:

(A)0.414
(B)0.225Correct
(C)0.02
(D)None of these

Answer: (B)

Solution

For tetrahedral coordination (CN = 4), the critical (limiting) radius ratio below which the arrangement becomes unstable is — distinct from the octahedral (CN =

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Question ID VK-141770