Experimentally it was found that a metal oxide has formula M0.98O. Metal M, is present as M2+ and M3+ in its oxide. Fraction of the metal which exists as M3+ would be :

Engineering

Chemistry

Defects in Solids

Question

Experimentally it was found that a metal oxide has formula M_0.98O. Metal M, is present as M²⁺ and M³⁺ in its oxide. Fraction of the metal which exists as M³⁺ would be :

7.01%

6.05%

4.08 %

5.08%

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$\frac{\frac{2}{0 .98} - 2}{1} \times 100$

$∴ \frac{2 \times 0.02}{0.98} \times 100 = 4.08 %$