Chemistry

Problem

The instantaneous rate of disappearance of

\text{MnO}_4^-

ion in the following reaction is

4.56 \times 10^{-3} \text{Ms}^{-1}

2\text{MnO}_4^- + 10\text{I}^- + 16\text{H}^+ \rightarrow 2\text{Mn}^{2+} + 5\text{I}_2 + 8\text{H}_2\text{O}

[JEE MAINS - ONLINE - 2013] The rate of appearance

\text{I}_2

is : (1)

1.14 \times 10^{-2} \text{Ms}^{-1}

(2)

5.7 \times 10^{-3} \text{Ms}^{-1}

(3)

4.56 \times 10^{-4} \text{Ms}^{-1}

(4)

1.14 \times 10^{-3} \text{Ms}^{-1}