In which of the following structures coordination number for cations a

1.	In which of the following structures coordination number for cations and anions in the packed structure will be same ? (a) Cl− ions form fcc lattice and Na+ ions occupy all octahedral voids of the unit cell (b) Ca2+ ions form fcc lattice and F− ions occupy all the eight tetrahedral voids of the unit cell (c) O2− ions form fcc lattice and Na+ ions occupy all the eight tetrahedral voids of (d) S2− ions form fcc lattice and Zn2+ ions go into alternate tetrahedral voids of the unit cell
Answer» In which of the following structures coordination number for cations and anions in the packed structure will be same ? (a) $C l^{-}$ ions form fcc lattice and $N a^{+}$ ions occupy all octahedral voids of the unit cell (b) $C a^{2 +}$ ions form fcc lattice and $F^{-}$ ions occupy all the eight tetrahedral voids of the unit cell (c) $O^{2 -}$ ions form fcc lattice and $N a^{+}$ ions occupy all the eight tetrahedral voids of (d) $S^{2 -}$ ions form fcc lattice and $Z n^{2 +}$ ions go into alternate tetrahedral voids of the unit cell

In which of the following structures coordination number for cations and anions in the packed structure will be same ? (a) Cl− ions form fcc lattice and Na+ ions occupy all octahedral voids of the unit cell (b) Ca2+ ions form fcc lattice and F− ions occupy all the eight tetrahedral voids of the unit cell (c) O2− ions form fcc lattice and Na+ ions occupy all the eight tetrahedral voids of (d) S2− ions form fcc lattice and Zn2+ ions go into alternate tetrahedral voids of the unit cell

Answer»

In which of the following structures coordination number for cations and anions in the packed structure will be same ?

(a) $C l^{-}$ ions form fcc lattice and $N a^{+}$ ions occupy all octahedral voids of the unit cell

(b) $C a^{2 +}$ ions form fcc lattice and $F^{-}$ ions occupy all the eight tetrahedral voids of the unit cell

(d) $S^{2 -}$ ions form fcc lattice and $Z n^{2 +}$ ions go into alternate tetrahedral voids of the unit cell