In acidic solution

CHEMISTRY · Single correct · AP · Chemistry · Chemical Reactions · Chemical Reactions

Problem

In acidic solution, permanganate ion reacts with oxalate ion as represented below.

\text{MnO}_4^-+\text{C}_2\text{O}_4^{2-}\rightarrow\text{Mn}^{2+}+\text{CO}_2

When the equation is balanced using the lowest whole-number coefficients, what coefficient appears in front of

\text{C}_2\text{O}_4^{2-}

? (a) 4 (b) 5 (c) 2 (d) 8