In acidic solution

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

Problem

In acidic solution,

\text{Fe}^{2+}

reacts with

\text{MnO}_4^-

according to the unbalanced equation below.

\text{MnO}_4^-+\text{Fe}^{2+}\rightarrow\text{Mn}^{2+}+\text{Fe}^{3+}

After the equation is completely balanced using the lowest whole-number coefficients, what is the coefficient for

\text{Fe}^{2+}

? (a)

10

(b)

7

(c)

5

(d)

3