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JEE MAIN 2023
24-01-2023 S1
Question
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 $\_\_\_\_$ .
Select the correct option:
A
The equivalent weight of $\mathrm{Fe}_{0.93} \mathrm{O}$ is $\frac{\text { Molecular weight }}{0.79}$
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.
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
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Question Tags
JEE Main
Physics
Easy
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