Mno2 + 4hcl = Mncl2 + cl2 + 2h2o which is oxidised and which is reduced?
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Mn02 gets reduced and HCl gets oxidised.
Simply look at the movements of Oxygen/Hydrogen for such cases. But if neither is a part of the reaction, you would have to study the reaction in terms of electrons:
The compound gaining electrons is getting oxidised.
The compound losing electrons is getting reduced.
So it all depends on the equation in question.
Simply look at the movements of Oxygen/Hydrogen for such cases. But if neither is a part of the reaction, you would have to study the reaction in terms of electrons:
The compound gaining electrons is getting oxidised.
The compound losing electrons is getting reduced.
So it all depends on the equation in question.
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