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NEET2004ChemistrySolid StateActual

The crystal system of a compound with unit cell dimensions a=0.387 ~nm , b=0.387 ~nm and c=0.504 ~nm and = =90^ and =120^ is

Options

  1. Acubic
  2. Bhexagonal
  3. Corthorhombic
  4. Drhombohedral.

Correct answer

B. hexagonal

Step-by-step solution

When a=b c, = =90^ , =120^ . The given condition is characteristic of hexagonal system.

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