Published by:
CGP EDU Academic Team
Published on: August 12, 2026
The correct statement in the following is
A
The ionic crystal of 
has Schottky defect
has Schottky defect
B
The unit cell having crystal parameters, 
is hexagonal
is hexagonal
C
In ionic compounds having Frenkel defect the ratio 
is high
is high
D
The coordination number of 
ion in 
is 4
ion in is 4
Text Solution
Verified by ExpertsThe correct answer is:
B
A crystal system is hexagonal if its unit cell having 
axial ratio and 
axial angles.
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