The oxidation state of an element is calculated by subtracting and the total sum of oxidation states of all the individual atom (excluding the one that has to be calculated) from total charge on the molecule. Therefore, the oxidation state of Ge is +4.
What is oxidation state?
Oxidation state of an element is a number that is assigned to an element in a molecule that represents the number of electron gained or lost during the formation of that molecule or compound.
In GeS[tex]_2[/tex], the oxidation state of sulfur is -2.
oxidation state of Ge is x+(-2×2)=0
oxidation state of Ge is +4
Nomenclature of GeS[tex]_2[/tex] is Germanium disulfide
Therefore, the oxidation state of Ge is +4.
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