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Chemistry
Which of the following species contain an element in an oxidation state that is not a whole number?
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Q. Which of the following species contain an element in an oxidation state that is not a whole number?
Manipal
Manipal 2014
A
$VO _{4}^{3-}$
B
$Mn _{2} O _{3}$
C
$S _{4} O _{6}^{2-}$
D
$Cl _{2} O _{7}$
Solution:
In $S _{4} O _{6}{ }^{2-}$, let ' $x$ ' be the oxidation number of $S$ Thus, the element $X$ may be bromine.
$4 x-12 =-2$
$x =\frac{10}{4}=2.5$