$\begin{aligned} 1\, mol Cr _2 O _7^{2-} \rightarrow 6\, mol\,e^{-} \\ \therefore 2.5\, mol\, Cr _2 O _7^{2-} \rightarrow(?) \\ =15\, mol\, e ^{-} \end{aligned}$
$\mathrm{MnO}_{4}^{-}+\mathrm{C}_{2} \mathrm{O}_{4}^{2-}+\mathrm{H}^{+} \longrightarrow \mathrm{Mn}^{2+}+\mathrm{CO}_{2}+\mathrm{H}_{2} \mathrm{O}$
સંતુલિત સમીકરણ માટે પ્રક્રિયકોના સાચા ગુણાંકો જણાવો.
$\mathrm{MnO}_{4}^{-} \quad \mathrm{C}_{2} \mathrm{O}_{4}^{2-}\quad \mathrm{H}^{+}$
$PC{l_5}\xrightarrow{\Delta }PC{l_3} + C{l_2}$