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Chemistry · PYQ NEET UG 2021

हिन्दी

Right option for the number of tetrahedral and octahedral voids in hexagonal primitive unit cell is _______.

  1. 6, 12
  2. 2, 1
  3. 12, 6
  4. 8, 4

Correct answer · Option 3

12, 6

Explanation

In a hexagonal close-packed (hcp) unit cell, effective number of atoms \( Z = 6 \). Therefore, octahedral voids = \( Z = 6 \) and tetrahedral voids = \( 2Z = 12 \).

Related questions

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