Q31 / 180 · KCET 2024 · Chemistry

Which of the following crystals has the unit cell such that $a=b \neq c$ and $\alpha=\beta=90^{\circ}$,$\gamma=120^{\circ} ?$

A
Zinc blende
Correct answer
B
Graphite
C
Cinnabar
D
Potassium dichromate

Solution

The given crystal system is hexagonal crystal system. Among the given options only graphite will satisfy the given condition.

Hence, the correct answer is option: 'B'.

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