What is the change in oxidation state of S in the reaction SO3^2– → SO4^2–? - REDOX REACTIONS AND ELECTROCHEMISTRY Quiz | GKFix.in

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What is the change in oxidation state of S in the reaction SO3^2– → SO4^2–?

A. +2 to +4
B. +3 to +5
C. +4 to +6
D. +5 to +7

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