Chemistry - Redox Reactions Question with Solution | TestHub

$\begin{array}{cccc}{\text{Fe}}_2{\left({\text{C}}_2{\text{O}}_4\right)}_3& ⟶& 2{\text{Fe}}^{3+}+6{\text{CO}}_2+6\stackrel{-}{\text{e}}& \left(\text{n Factor = 6}\right)\\ \text{Fe}\left({\text{C}}_2{\text{O}}_4\right)& ⟶& {\text{Fe}}^{3+}+2{\text{CO}}_2+3\stackrel{-}{\text{e}}& \left(\text{n Factor = 3}\right)\end{array}$
Meqs of$\left[{\text{Fe}}_{\text{2}}{{\text{(C}}_{\text{2}}{\text{O}}_{\text{4}}\text{)}}_{\text{3}}\text{+}{\text{Fe(C}}_{\text{2}}{\text{O}}_{\text{4}}\text{)}\right]\text{=}\text{0}\text{.5}\text{×}\text{6}\text{+}\text{0}\text{.5}\text{×}\text{3}$
$\text{=}\text{4}\text{.5}\text{Eqs}\text{.}$
$\text{=}\text{4}\text{.5}\text{Eqs}\text{.}$of${\text{KMnO}}_{\text{4}}$
$\text{=}\frac{\text{4}\text{.5}}{\text{5}}\text{=}\text{0}\text{.9}$moles of${\text{KMnO}}_{\text{4}}\text{.}$