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Home  >>  AIMS  >>  Class12  >>  Chemistry  >>  Solid State

In the material, spinel, having the formula MgAl2O4, oxide ions are arranged in the cubic close packing, Mg$^{2+}$ ions occupy the tetrahedral voids while $Al^{3+}$ ions occupy the octahedral voids.(i) What percentage of tetrahedral voids is occupied by $Mg^{2+}$ ions?

1 Answer

12.5%
Hence (A) is the correct answer.
answered May 29, 2014 by sreemathi.v
 
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