Chemistry - Redox Reactions Question with Solution | TestHub

$\mathrm{C}{\mathrm{H}}_3\mathrm{OH}$ $\to$ $\mathrm{C}{\mathrm{O}}_2$: the oxidation state of carbon changes from -2 to +4, i.e. 6 ${\mathrm{e}}^{-}$ per molecule. Per mole of methanol, electrons lost = $6{\mathrm{N}}_{\mathrm{A}}$. Hence (d).