Chemistry - Redox Reactions Question with Solution | TestHub

mmol $\mathrm{C}{\mathrm{u}}^{2+}$ = 25 $x$ 0.4 = 10; $2C{\mathrm{u}}^{2+}$ + $4{\mathrm{I}}^{-}$ $\to$ $\mathrm{C}{\mathrm{u}}_2{\mathrm{I}}_2$ + ${\mathrm{I}}_2$ gives ${\mathrm{I}}_2$ = 5 mmol; ${\mathrm{S}}_2{\mathrm{O}}_3^{2-}$ = 10 mmol. Volume = 10/0.5 = 20 ml, option (d).