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Experimentally, it was found that a metal oxide has formula M0.98O. Metal M present as M^2+ and M^3+ in its oxide.

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

(a) 7.01% (b) 4.08% (c) 6.05% (d) 5.08%

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Correct option (b) 4.08%

Explanation:

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