in the inverse spinel compound Fe3O4 the % of tetrahedral voids occupied = 
a) 12.5 %
b) 50%
c) 74%
d) 68%

Dear Student,

The compound Fe3O4 comprised of  Fe3+ and Fe2+ at the ratio of 2:1 an inverse spinel expressed with correct formula as (Fe3+)[Fe2+Fe3+]O4.

Hence the tetrahedral void is (1/2) = 50 %

Answer is Option (B) 50%

Regards.

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