1. Tardigrade
  2. Question
  3. Chemistry
  4. Cadmium oxide crystallizes in NaCl type of crystal lattice. This compound is, however, usually non-stoichiometric and approximate formula is CdO 0.95. The defect arises due to same cationic positions are occupied by neutral Cd-atom instead of Cd 2+ ions and equivalent number of anion sites are vacant. What is the percentage of vacant anion sites?

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Q. Cadmium oxide crystallizes in $NaCl$ type of crystal lattice. This compound is, however, usually non-stoichiometric and approximate formula is $CdO _{0.95}$. The defect arises due to same cationic positions are occupied by neutral $Cd$-atom instead of $Cd ^{2+}$ ions and equivalent number of anion sites are vacant.
What is the percentage of vacant anion sites?

The Solid State

Solution:

Correct answer is '5'