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Atomic Structure — Medium JEE chemistry MCQ

Atom $\mathrm{X}$ occupies the fcc lattice sites as well as alternate tetrahedral voids of the same lattice. The packing efficiency (in \%) of the resultant solid is closest to
  1. A. 25
  2. B. 35
  3. C. 55
  4. D. 75

Solution

The correct option is **B**.

CHEMISTRY

medium • PYQ Reworded
Question
Read carefully, then pick the best option.
Atom X\mathrm{X} occupies the fcc lattice sites as well as alternate tetrahedral voids of the same lattice. The packing efficiency (in \%) of the resultant solid is closest to
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Atomic Structure — Medium JEE Chemistry MCQ | MyGoalPrep