Consider the following substances:\ i) Acidified $\mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7}$\

Question

Consider the following substances:\ i) Acidified $\mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7}$\ ii) Alkaline $\mathrm{KMnO}_{4}$\ iii) Oxygen\ iv) Hydrogen Out of these, the commonly used oxidising agents are\

Professor PC Thomas Classes · Answer

(c) : An oxidising agent is defined as a substance which oxidises others and itself gets reduced in a chemical reaction. Among the given substances, acidified $\mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7}$, alkaline $\mathrm{KMnO}_{4}$ and $\mathrm{O}_{2}$ act as oxidising agents. These substances are capable of adding oxygen to others.