Chemistry - Redox Reactions Question with Solution | TestHub

${\mathrm{CuSO}}_4$ Solution $\stackrel{\mathrm{NaCN}(\mathrm{aq})(excess)}{\to }$

${\mathrm{CuSO}}_4$ Solution $\stackrel{\mathrm{KI}\text{ (Solution) }}{\to }$

${\mathrm{CuSO}}_4$ Solution $\stackrel{{\mathrm{S}}_2{\mathrm{O}}_3^{2-}(aq)(excess)}{\to }$

${\mathrm{CuSO}}_4$ Solution $\stackrel{KOH(excess)}{\to }$