Mole ConceptHard
Question
The molecular formula of a non stoichiometric oxide of vanadium is VO1.8. The oxide contain both V3+ and V4+ ions. The mole % of vanadium in +3 oxidation state is :-
Options
A.20%
B.60%
C.33.33%
D.40%
Solution
V2O3 + V2O5 = VO1.8
x mol y mol 1 mol
2x + 2y = 1
3x + 5y = 1.8
% of V+3 =
× 100 = 40 %
x mol y mol 1 mol
2x + 2y = 1
3x + 5y = 1.8
% of V+3 =
× 100 = 40 %Create a free account to view solution
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