Which of the following does not give oxygen on heating?\

Question

Professor PC Thomas Classes · Answer

(b) : $\left(\mathrm{NH}_{4}ight)_{2} \mathrm{Cr}_{2} \mathrm{O}_{7} \xrightarrow{\Delta} \mathrm{~N}_{2}+\mathrm{Cr}_{2} \mathrm{O}_{3}+4 \mathrm{H}_{2} \mathrm{O}$ $$ \mathrm{Zn}\left(\mathrm{ClO}_{3}ight)_{2} \xrightarrow{\Delta} \mathrm{ZnCl}_{2}+3 \mathrm{O}_{2} $$ $\mathrm{KClO}_{3} \xrightarrow{\Delta} \mathrm{KCl}+3 / 2 \mathrm{O}_{2}$\