Chemistry - Complete d-block Question with Solution | TestHub

When ${\mathrm{Fe}}_{0.93}\mathrm{O}$ is heated in presence of oxygen, it converts to ${\mathrm{Fe}}_2{\mathrm{O}}_3$. The number of correct statement/s from the following is ______ .

A. The equivalent weight of ${\mathrm{Fe}}_{0.93}\mathrm{O}$ is  $\frac{\mathrm{Molecular} \mathrm{weight}}{0.79}$

B. The number of moles of ${\mathrm{Fe}}^{2+}$ and ${\mathrm{Fe}}^{3+}$ in $1$ mole of ${\mathrm{Fe}}_{0.93}\mathrm{O}$ is $0.79$ and $0.14$ respectively.

C. ${\mathrm{Fe}}_{0.93}\mathrm{O}$ is metal deficient with lattice comprising of cubic closed packed arrangement of ${\mathrm{O}}^{2-}$ ions.

D. The $\%$ composition of ${\mathrm{Fe}}^{2+}$ and ${\mathrm{Fe}}^{3+}$ in ${\mathrm{Fe}}_{0.93}\mathrm{O}$ is $85\%$ and $15\%$ respectively.