question_answer

In the reaction \[2{{H}_{2}}{{O}_{2}}\xrightarrow{{}}2{{H}_{2}}O+{{O}_{2}}\]

A)  oxygen is oxidised only

B)  oxygen is reduced only

C)  oxygen is neither oxidised nor reduced

D)  oxygen is both oxidised and reduced

Correct Answer: D

Solution :

The given reaction is an example of disproportionation reaction, in which the oxygen atom is simultaneously oxidised as well as reduced.