Multiple choice

Which of the following statements is not correct regarding the bcc system?

  1. Packing efficiency of BCC lattice structure is 74%.
  2. HCP and BCC lattice structures have same packing efficiency.
  3. Coordination number of atoms in BCC crystal lattice is 8.

  1. Only 1

  2. Only 2

  3. Only 3

  4. 1 and 2

  5. 2 and 3
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Packing efficiency in HCP lattice is 74%. Packing efficiency of BCC lattice structure is 68%. HCP and BCC lattice structures have different packing efficiency. Thus, this option is correct.  

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