In a solid, oxide ions are arranged in CCP, cation A occupy one- sixth of the tetrahedral voids and cations B occupy one third of the octahedral voids. What is the formula of the compound?

Asked by Topperlearning User | 17th Jun, 2016, 10:56: AM

Expert Answer:

In CCP, there would be 2 tetrahedral voids and 1 octahedral void. One-third octahedral voids are occupied by B while one-sixth tetrahedral voids are occupied by A. Thus, formula of the compound may be derived as

A1∕3B2∕6O or A­B2O6 or ABO3.

Answered by  | 17th Jun, 2016, 12:56: PM