Expermentally it was found that a metal oxide has formula

Question:

Expermentally it was found that a metal oxide has formula $\mathrm{M}_{0.98} \mathrm{O}$. Metal $\mathrm{M}$, is present as $\mathrm{M}^{2+}$ and $\mathrm{M}^{3+}$ in its oxide. Fraction of the metal which exists as $\mathrm{M}^{3+}$ would be :-

  1. 7.01%

  2.  4.08%

  3. 6.05%

  4. 5.08


Correct Option: , 2

Solution:

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