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प्रश्न
What is the change in oxidation number of Sulphur in following reaction?
\[\ce{MnO^-_{4(aq)} + SO^{2-}_{3(aq)} -> MnO^{2-}_{4(aq)} + SO^{2-}_{4(aq)}}\]
विकल्प
+4 to +6
+6 to +5
+8 to +6
+6 to +8
MCQ
उत्तर
+4 to +6
Explanation:
\[\begin{array}{cc}
\ce{MnO^-_{4(aq)} + \overset{+4\phantom{........}}{SO^{2-}_{3(aq)}} -> MnO^{2-}_{4(aq)} + \overset{+6\phantom{........}}{SO^{2-}_{4(aq)}}}
\end{array}\]
Sulphur undergoes oxidation from \[\ce{+4 -> +6}\] state.
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Balancing Redox Reactions in Terms of Loss and Gain of Electrons
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