Engineering
Chemistry
Types of Redox Reaction
Equivalent Mass and n factor
Question
Oxidation state of S in H2S2O8 is:
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Solution
The structure of H2S2O8 is given below.
H−O− –O – O– –O – H
In the structure of H2S2O8, two oxygen atoms are involved in peroxide linkage, hence oxidation number will be −1 (each). Remaining oxygen atoms will have −2 charge. Thus, we can calculate the oxidation state of sulphur ( x ) as follows:
H2S2O8 = 2 + 2 + 2 + 6 = 0 x = + 6.
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