CHXI09:HYDROGEN
315610
Among the following the one that cannot be reduced by \(\mathrm{\mathrm{H}_{2} \mathrm{O}_{2}}\) is
1 \(\mathrm{\mathrm{Ag}_{2} \mathrm{O}}\)
2 \(\mathrm{\mathrm{Fe}^{3+}}\)
3 Acidified \(\mathrm{\mathrm{KMnO}_{4}}\)
4 Acidified \(\mathrm{\mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7}}\)
Explanation:
\(\mathrm{\mathrm{Fe}^{3+}}\) is not reduced by \(\mathrm{\mathrm{H}_{2} \mathrm{O}_{2}}\) whereas all other compounds are reduced.