The stoichiometric numbers appearing from left to right in the reaction…

The stoichiometric numbers appearing from left to right in the reaction
$\mathrm{MnO}_{4}^{2-}+\mathrm{H}^{+} ightarrow \mathrm{MnO}_{4}^{-}+\mathrm{MnO}_{2}+\mathrm{H}_{2} \mathrm{O}$
are
  1. $3,2,2,1,2$
  2. $3,4,2,1,2$
  3. $2,4,1,1,2$
  4. $2,3,1,1,2$

Solution

The balanced equation is
$3 \mathrm{MnO}_{4}^{2-}+4 \mathrm{H}^{+} ightarrow 2 \mathrm{MNO}_{4}^{-}+\mathrm{MnO}_{2}+2 \mathrm{H}_{2} \mathrm{O}$

Asked in: JEE-TOPICTESTS-CHEMISTRY

Practice more REDOX REACTIONS questions on Aicharya