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

335 144 The Solid State Report Error

Answer: 5

Solution:

Correct answer is (e)