Question

Find out the process of oxidation , reduction , oxidizing agent , reducing agent from the following :-
a) MnO2 + 4HCl -------- MnCl2 + 2H2O + Cl2
b) H2S + SO2 ---------- S + H2O
c) CuO + C --------- Cu + CO

Answer 1

first is oxidization in which mno2 is oxidization agent
second is reduction in which h2s is reducing agent
third is redox in which carbon reacts with oxygen (oxidation) and copper oxide is reduce oxygen (reduction)

Answer 2

a)MnO2 is oxidising agent which reduces to MnCl2 and HCl is reducing agent which oxidises to H2O

b)H2S is reducing agent which gets oxidised to H2O and SO2 is oxidising agent which gets reduced to S

c)CuO is oxidising agent which gets reduced to Cu and C is reducing agent and is oxidised to CO

Reducing agents are the reactants which gain oxygen or lose hydrogen and this get oxidised while,

Oxidising agent are the reactants which lose oxygen or gain hydrogen and this get reduced.

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