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Hydrogen peroxide is a powerful oxidising agent. It is an electron acceptor in acidic and alkaline mediums . H_(2)O_(2) + 2H^(+) + 2e^(-) rarr H_(2)O (in acidic medium ) H_(2)O_(2) + 2e^(-) rarr 2OH^(-) (in alkaline medium) It can also act as reducing agent towards powerful oxidising agents . H_(2)O_(2) rarr 2H^(+) + O_(2) + 2e In alkaline medium , however , its reducing nature is more effective . H_(2)O_(2) + 2OH^(-) rarr 2H_(2)O + O_(2) + 2e^(-) In the reaction , H_(2)O_(2) + O_(3) rarr H_(2)O + 2O_(2) , H_(2)O_(2) acts as :

Answer»

An ACID
An OXIDIZING
A reducing agent
Both as a reducing agent and an oxidising agent

ANSWER :C


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