Solution: Balance the following skeleton reactions and

Chapter 22, Problem 7P

(choose chapter or problem)

Balance the following skeleton reactions and identify the oxidizing and reducing agents:

(a) $\mathrm{ClO}_{3}^{-}(a q)+\mathrm{I}^{-}(a q) \rightarrow \mathrm{I}_{2}(s)+\mathrm{Cl}^{-}(a q)$ [acidic ]\)

(b) $\mathrm{MnO}_{4}^{-}(a q)+\mathrm{SO}_{3}{ }^{2-}(a q) \rightarrow \mathrm{MnO}_{2}(s)+\mathrm{SO}_{4}{ }^{2-}$ ($aq$)\) [basic]

(c) $\mathrm{MnO}_{4}^{-}(a q)+\mathrm{H}_{2} \mathrm{O}_{2}(a q) \rightarrow \mathrm{Mn}^{2+}(a q)+\mathrm{O}_{2}(g)$ [acidic ]\)

Equation Transcription:

${ClO}_{3}^{−}(aq)+{I}^{−}(aq)\rightarrow{}{I}_{2}(s)+{Cl}^{−}(aq)$

${MnO}_{4}^{−}(aq)+{SO}_{3}{\ }^{2−}(aq)\rightarrow{}{MnO}_{2}(s)+{SO}_{4}{\ }^{2−}$

${MnO}_{4}^{−}(aq)+{H}_{2}{O}_{2}(aq)\rightarrow{}{Mn}^{2+}(aq)+{O}_{2}(g)$

Text Transcription:

ClO_3^−(aq)+I^−(aq) rightarrow I_2(s)+Cl^−(aq)

MnO_4^−(aq)+SO_3^ 2−(aq) rightarrow MnO_2(s)+SO_4^2−

MnO_4^−(aq)+H_2 O_2(aq) rightarrow Mn^2+(aq)+O_2(g)

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