Q. When $3$ moles of $\left(KClO\right)_{3}\left(\right.66.66\%$ pure) completely decomposes into $KCl\left(\right.s\left.\right)$ and $O_{2}\left(\right.g\left.\right)$ then volume of $O_{2}$ obtaine at $STP$ will be :-
NTA AbhyasNTA Abhyas 2020
Solution: