# In the reaction of oxalate with permaganate in acidic medium,

Question:

In the reaction of oxalate with permaganate in acidic medium, the number of electrons involved in producing one molecule of $\mathrm{CO}_{2}$ is :

1. 10

2. 2

3. 1

4. 5

Correct Option: , 3

Solution:

$10 \mathrm{e}^{-}$trans for 10 molecules of $\mathrm{CO}_{2}$ so per molecule of $\mathrm{CO}_{2}$ transfer of $\mathrm{e}^{-}$is ' 1 '