ChemistryJEE Main 22 Jan 2026, Shift 2·Q23·Numerical·Easy–moderate

d- and f-Block · Mixed oxides of 3d elements

Among the following oxides of 3d elements, the number of mixed oxides is .

$\ce{Ti2O3}$ , $\ce{V2O4}$ , $\ce{Cr2O3}$ , $\ce{Mn3O4}$ , $\ce{Fe3O4}$ , $\ce{Fe2O3}$ , $\ce{Co3O4}$

We corrected a printing error in the original paper

Source printed “the number of mixed oxides are”.

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