Commonly Used Oxidising and Reducing Agent and Their Half Equation

Below are the oxidising and reducing agent that normaly in use

Oxidising Agent

Acided Potassium Manganate (VII)

MnO4- + 8H+  +  5e   →      Mn2+ +      4H2O
Observation:

Acided Potassium Dicromate (VI)

Cr2O72- +   14H+ +  6e   →      2Cr3+ +     7H2O
Observation:

Hydrogen Peroxide

H2O2 +     2H+ +   2e  →     2H2O

Concentrated Nitric Acid

NO3- +    4H+ +   3e  →      NO +   2H2O



Reducing Agent

Sulphur Dioxide

SO2 +     2H2O →      SO42- +   4H+ +  2e

Hydrogen Sulphide

H2S →     2H+ +  S +  2e

Sodium Sulphite Aqueous

SO32- +  H2O →     SO42- + 2H+ +  2e

Tin(II) Chloride Aqueous

Sn2+ →     Sn4+ +  2e


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