Solved: Balance the following skeleton reactions and

Chapter 22, Problem 8P

(choose chapter or problem)

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

(a) $\mathrm{O}_{2}(g)+\mathrm{NO}(g) \rightarrow \mathrm{NO}_{3}^{-}$ ($aq$)[acidic]

(b) $\mathrm{CrO}_{4}{ }^{2-}(a q)+\mathrm{Cu}(s) \rightarrow \mathrm{Cr}(\mathrm{OH})_{3}(s)+\mathrm{Cu}(\mathrm{OH})_{2}(s)$ [basic]

(c) $\mathrm{AsO}_{4}{ }^{3-}(a q)+\mathrm{NO}_{2}{ }^{-}(a q) \rightarrow \mathrm{AsO}_{2}{ }^{-}(a q)+\mathrm{NO}_{3}{ }^{-}(a q)$ [basic]

Equation Transcription:

${O}_{2}(g)+NO(g)\rightarrow{}{NO}_{3}^{−}($ aq $)$

${CrO}_{4}{\ }^{2−}(aq)+Cu(s)\rightarrow{}Cr(OH{)}_{3}(s)+Cu(OH{)}_{2}(s)$

${AsO}_{4}{\ }^{3−}(aq)+{NO}_{2}{\ }^{−}(aq)\rightarrow{}{AsO}_{2}{\ }^{−}(aq)+{NO}_{3}{\ }^{−}(aq)$

Text Transcription:

O_2(g)+NO(g)NO_3^−(aq )

CrO_4^ 2−(aq)+Cu(s)Cr(OH)_3(s)+Cu(OH)_2(s)

AsO_4^ 3−(aq)+NO_2^ −(aq)AsO_2^ −(aq)+NO_3^ −(aq)

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