Question

Write down the half-reactions and balance the overall disproportionation reactions that occur inbasic solution. \text { (a) } \mathrm{Cl}_{2}(g)+\mathrm{OH}^{-}(a q) \rightleftarrows \mathrm{Cl}^{-}(a q)+\mathrm{OCl}^{-}(a q) \text { (b) } \mathrm{Cl}_{2}(g)+\mathrm{OH}^{-}(a q) \rightleftarrows \mathrm{Cl}^{-}(a q)+\mathrm{ClO}_{3}^{-}(a q) \mathrm{P}_{4}(s)+\mathrm{OH}^{-}(a q) \rightleftharpoons \mathrm{PH}_{3}(g)+\mathrm{H}_{2} \mathrm{PO}_{2}^{-}(a q) \mathrm{H}_{2} \mathrm{O}_{2}(a q) \rightleftarrows \mathrm{O}_{2}(g)+\mathrm{H}_{2} \mathrm{O}(l) \text { e) } \mathrm{NH}_{3}(g)+\mathrm{MnO}_{4}^{-}(a q) \rightleftarrows \mathrm{N}_{2}(a q)+\mathrm{MnO}_{2}(s)

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