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10 example of reduction reaction​

Answer 1

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CBSE Class 10 - Ask The Expert

Answered

Write 10 example of Redox reaction with reason.

Asked by richasudhanjali | 11th Jul, 2018, 04:30: PM

Expert Answer:

H2S + Cl2 → 2HCl + S

The O.N. of S increases from -2 to 0. So it is undergoing oxidation and O.N. of Cl2 decreases from 0 to -1. So it is undergoing reduction. Therefore it is a redox reaction.

CuO + H2 → Cu +H2O

In this redox reaction, CuO is getting reduced to Cu since Oxygen is getting removed. So, the conversion of CuO to Cu is reduction reaction. H2 is getting oxidised to H2O. So, it is oxidation reaction.

Fe(s) + CuSO4(aq) → FeSO4(aq) + Cu(s)

Oxidation state of Fe changes from 0 to +2 and oxidation state of Cu changes from +2 to 0.

MnO4-+ I- → MnO2 + I2

Here I- is oxidised to I2 and MnO4 - is reduced to MnO2.

Pb + PbO2 + 2H2SO4 → 2PbSO4 + 2H2O

In this reaction, Pb is getting oxidised to PbSO4 and PbO2 ias reduced to PbSO4.