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Saturday, June 6, 2020

Find the ratio of Fe+3 and Fe+2 in a non Stoichiometric oxide of iron , formulated as Fe_0.90 S_1.0 .

This is a non Stoichiometric compound formed due to variable valency of transition elements.   In the Compound Fe_0.90 S_1.0  both Fe+3 and F+2 ions present,  if number of  Fe+2 ions are  x then number of Fe+3 ions are (0.90-x).
We can find the value of x by oxidation state method as :

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