રાસાયણિક પ્રક્રિયા માટે,

$\mathrm{MnO}_{4}^{-}+\mathrm{C}_{2} \mathrm{O}_{4}^{2-}+\mathrm{H}^{+} \longrightarrow \mathrm{Mn}^{2+}+\mathrm{CO}_{2}+\mathrm{H}_{2} \mathrm{O}$

સંતુલિત સમીકરણ માટે પ્રક્રિયકોના સાચા ગુણાંકો જણાવો.

$\mathrm{MnO}_{4}^{-} \quad \mathrm{C}_{2} \mathrm{O}_{4}^{2-}\quad \mathrm{H}^{+}$

Question

રાસાયણિક પ્રક્રિયા માટે,

$\mathrm{MnO}_{4}^{-}+\mathrm{C}_{2} \mathrm{O}_{4}^{2-}+\mathrm{H}^{+} \longrightarrow \mathrm{Mn}^{2+}+\mathrm{CO}_{2}+\mathrm{H}_{2} \mathrm{O}$

સંતુલિત સમીકરણ માટે પ્રક્રિયકોના સાચા ગુણાંકો જણાવો.

$\mathrm{MnO}_{4}^{-} \quad \mathrm{C}_{2} \mathrm{O}_{4}^{2-}\quad \mathrm{H}^{+}$

A$16\quad \quad 5\quad \quad 2$
B$2\quad \quad 5\quad \quad 16$
C$2\quad \quad 16\quad \quad 5$
D$5\quad \quad 16\quad \quad 2$

NEET 2018, Diffcult

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Solution

b
$\mathrm{MnO}_{4}^{-} \longrightarrow \mathrm{Mn}^{+2} ; 5 \mathrm{e}^{-} \mathrm{gain}\dots (1)$

$C_2O_4^{-2}\rightarrow CO_2\; 2e^-\; loss\dots(2)$

multiplying $( 1 )$ by $2$ and $( 2 )$ by $5$ to balance $e^-$

$2 \mathrm{MnO}_{4}^{-}+5 \mathrm{C}_{2} \mathrm{O}_{4}^{-2} \longrightarrow 2 \mathrm{Mn}^{+2}+10 \mathrm{CO}_{2}$

on balancing charge;

$2 \mathrm{MnO}_{4}^{-}+5 \mathrm{C}_{2} \mathrm{O}_{4}^{-2}+16 \mathrm{H}^{+} \longrightarrow 2 \mathrm{Mn}^{+2}+10 \mathrm{CO}_{2}+8 \mathrm{H}_{2} \mathrm{O}$

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