S2s as reducing agent while aisa toda act act as reducing agent as well as oxidizing agent explain
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SO2 can act as both oxidizing as well as reducing agent since it has +4 oxidation state which is exactly between its highest oxidation state +6 and lowest oxidation state +2 ,Thus it can change its oxidation number either from +4 to-2(reduction) and +4 to+6 (oxidation) .
Where as in H2S the oxidation state of sulphur is -2 so it can lose electrons to attain +4 and +6 oxidation state but it can not gain the electrons. Therefore, H2S act as reducing agent only.
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Hope it help!
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SO2 can act as both oxidizing as well as reducing agent since it has +4 oxidation state which is exactly between its highest oxidation state +6 and lowest oxidation state +2 ,Thus it can change its oxidation number either from +4 to-2(reduction) and +4 to+6 (oxidation) .
Where as in H2S the oxidation state of sulphur is -2 so it can lose electrons to attain +4 and +6 oxidation state but it can not gain the electrons. Therefore, H2S act as reducing agent only.
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Hope it help!
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