Question

example of fractional oxidation number of sulphur

Answer 1

The oxidation state +2.5 is just the average oxidation state for the #S# atom. According to the structure, two of the #S# atoms ( #color (red) (red)# ) have a +5 formal charge while the other two #S# atoms ( #color (blue) (blue)# ) have a formal charge of 0. Hence, the fractional oxidation state.


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