In which of the following structures coordination number for cations and
anions in the packed structure will be same?
(i) Cl- ion form fcc lattice and Na+ ions occupy all octahedral voids of the unit cell.
(ii) Ca2+ ions form fcc lattice and F - ions occupy all the eight tetrahedral voids of the unit cell.
(iii) O2- ions form fcc lattice and Na+ ions occupy all the eight tetrahedral voids of the unit cell.
(iv) S2- ions form fcc lattice and Zn2+ ions go into alternate tetrahedral voids of the unit cell.


NCERT Class XII
Chemistry - Exemplar Problems

Chapter 1. Solid State

1

Answers

2015-06-04T14:19:52+05:30
(iii)is the answer(nt 100 % sure)
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