Chemistry - Solid State Question with Solution | TestHub

$8{\mathrm{Cs}}^{+}$ions occupy the second nearest neighbour locations of a ${\mathrm{Cs}}^{+}$ion in CsCl lattice.

Each sphere is surrounded by six voids in two dimensional hexagonal close packed layer.

If the radius of cations and anions are $0.3{\stackrel{0}{A}}^{\circ }$ and $0.4{\stackrel{0}{A}}_{\text{, then coordination number of }}$ cation in the crystal is 6 .

In HCP unit cell, effective number of tetrahedral voids between any two successive layers is 6 .