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Question: Answer the following questions based on the given figure . Consider the unit cell given b elow : <...

Answer the following questions based on the given figure .

Consider the unit cell given b elow :

The unit cell shown in the figures belongs to

A

NaCl type

B

ZnS type

C

CsCl type

D

CaF2CaF_{2}type.

Answer

ZnS type

Explanation

Solution

The units cell is ZnS type where S2−S^{2 -}ions are present at the corners and the centre of each face. Zn2+Zn^{2 +}ions occupy half of the tetrahedral sites.