Structure of a mixed oxide is cubic close packed (ccp). The cubic unit cell of mixed oxide is composed of oxide ions. One fourth of the tetrahedral voids are occupied by divalent metal A and the octahedral voids are occupied by a monovalent metal B. The formula of oxide is
see full answer
Your Exam Success, Personally Taken Care Of
1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya
a
AB O2
b
A2BO2
c
A2B3O4
d
AB2O2
answer is D.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
From ccp arrangement, number of O2- ions = 4Number of octahedral voids = 4Thus, number of tetrahedral voids = 4 x 2 = 8∴ Number of tetrahedral voids occupied by divalentMetal A=14×8=2.Number of monovalent metal B - Number of octahedral void = 4 ∴Formula is A2B4O4 = AB2O2.