Question

10U,
118. A*2 and B-2 ions have radius 0.7 A and 1.8 Aº
respectively. B-2 ion forms CCP lattice while A*2
occupies alternate tetrahedral void to form AB
solid. Then edge length of AB unit cell
(1) 2.5 A™ (2) 4.09 A0 (3) 5 A0 (4) 5.78 Aº​

Answer 1

Answer:

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