(Solved): Balance the following redox reaction in acidic solution. \[ \mathrm{NO}(g)+\mathrm{Cu}^{2+}(a q) \r ...

Balance the following redox reaction in acidic solution. \[ \mathrm{NO}(g)+\mathrm{Cu}^{2+}(a q) \rightarrow \mathrm{HNO}_{2}(a q)+\mathrm{Cu}^{+}(a q) \] \[ \left.\mathrm{No}(g)+\mathrm{Cu}^{2+}(a q) \rightarrow \mathrm{HNO}_{2}(a q)+\mathrm{Cu}^{+}(a q)\right] \] Balance the following redox reaction in basic solution. \[ \mathrm{Zn}(s)+\mathrm{H}_{2} \mathrm{O}(I) \rightarrow \mathrm{Zn}^{2+}(a q)+\mathrm{H}_{2}(g) \] \[ \left.\mathrm{Zn}(s)+\mathrm{H}_{2} \mathrm{O}(l) \rightarrow \mathrm{Zn}^{2+}(a q)+\mathrm{H}_{2}(g)\right] \] Balance the following redox reaction in basic solution. \[ \mathrm{Br}^{-}(a q)+\mathrm{MnO}_{4}^{-}(a q) \rightarrow \mathrm{Br}_{2}(l)+\mathrm{MnO}_{2}(s) \]