Define Redox Reaction...............
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it includes two reactions
oxidation: in this process there is a gain of oxygen or loose of hydrogen
reduction : in this there is a gain of hydrogen or loose of oxygen
oxidation: in this process there is a gain of oxygen or loose of hydrogen
reduction : in this there is a gain of hydrogen or loose of oxygen
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Those reaction in which both oxidation and reduction take place simultaneously, are called redox reactions.
Example: (i). The copper oxide is losing oxygen and is being reduced. Whereas, oxygen is added to hydrogen and is being oxidized.
CuO + H2O when heated it gives Cu + H20
(ii). HCl is oxidized to Cl2. Whereas, MnO2 is reduced to MnCl2.
MnO2+ 4HCl------> MnCl2+Cl2+2H2O
Example: (i). The copper oxide is losing oxygen and is being reduced. Whereas, oxygen is added to hydrogen and is being oxidized.
CuO + H2O when heated it gives Cu + H20
(ii). HCl is oxidized to Cl2. Whereas, MnO2 is reduced to MnCl2.
MnO2+ 4HCl------> MnCl2+Cl2+2H2O
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