Thank you for reporting, we will resolve it shortly
Q.
In the reaction between $SO_2$ and $O_3$, the equivalent weight of ozone is
Redox Reactions
Solution:
$3 \overset{\text{ +4 }}{ S}O_2 + O_3 \rightarrow 3 \overset{\text{ +6}}{SO}_3$
This reaction involve is two-electron change and hence, its Eq. wt. is half its Mol. wt