Question:
Which of the following crystals has the unit cell such that \( a = b \neq c \) and \( \alpha = \beta = 90^\circ, \gamma = 120^\circ \)?
Which of the following crystals has the unit cell such that \( a = b \neq c \) and \( \alpha = \beta = 90^\circ, \gamma = 120^\circ \)?
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Graphite has a hexagonal crystal structure with layered properties defined by its unique lattice parameters.
Updated On: Dec 26, 2024
- Zinc blende
- Graphite
- Cinnabar
- Potassium dichromate
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The Correct Option is B
Solution and Explanation
Graphite has a hexagonal crystal structure where a = b ≠ c and the angles α = β = 90°, γ = 120°. This structure contributes to its unique layered properties, which are characteristic of hexagonal systems. The other options do not satisfy these structural parameters.
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