Question

For the redox reaction
$MnO^{-}_{4}+C_{2}O^{2-}_{4}+H^{+} \to Mn^{2+}+CO_{2}+H_{2}O$
the correct coefficients o f the reactants for the balanced reaction are

	$MnO^{-}_{4}$	$C_{2}O^{2-}_{4}$	$H^{+}$
(1)	2	5	16
(2)	16	5	2
(3)	5	16	2
(4)	2	16	5

• A. 1
• B. 2
• C. 3
• D. 4

Answer 1

Answer: (A)

The balance equation is
$2MnO^{2-}_{4}+5C_{2}O^{2-}_{4}+16H^{+}\to 2Mn^{2+}+10CO_{2}+8H_{2}O$