Consider the bcc unit cells of the solids 1 and 2 with the position of atoms as shown…
Chemistry · JEE Main · NTA Exams — Solid State
Consider the bcc unit cells of the solids 1 and 2 with the position of atoms as shown below. The radius of atom B is twice that of atom A. The unit cell edge length is 50% more in solid 2 than in 1. What is the approximate packing efficiency in solid 2?
\[\begin{array}{l} \text { Solid } 1\\ \text { Solid } 2 \end{array}\]
\[\begin{array}{l} \text { Solid } 1\\ \text { Solid } 2 \end{array}\]
- 75%
- 45%
- 65%
- 90%
Answer
(B) 45%
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