Question:
Calculate the oxidation number of phosphorus in the following species.
(a) Na2S2O3
(b) Na2S4O6
(c) Na2SO3
(d) Na2SO4
Solution:
Na2S2O3 x= +2
Na2S4O6 x= +5
Na2SO3 x= +4
Na2SO4 x= +6
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