Posted: August 18th, 2017
Ferrous oxide has a cubic structure and each edge of the unit cell is 5.0 Å. Assuming density of the oxide as 4.09 g cm3 , then the number of Fe2+ and O2 ions present in each unit cell will be _______.
Ferrous oxide has a cubic structure and each
edge of the unit cell is 5.0 Å. Assuming
density of the oxide as 4.09 g cm3
, then the
number of Fe2+ and O2
ions present in each
unit cell will be _______. [MP PET 2000]
(A) four Fe2+ and four O2
(B) two Fe2+ and four O2
(C) four Fe2+ and two O2
(D) three Fe2+ and three O2
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