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 whi

Answers (1)

Oxidation number denotes the oxidation state of an element in a compound ascertained according to a set of rules formulated on the basis that electron pair in a covalent bond belogs entirely to more electronegative elements.

3x + 2 (0.98 -x) = 2 

 x+ 1.96 = 2 

x  = 0.04 

% of M^{3+} = \frac{0.04}{0.98} \times 100 = 4.08 \%

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