Reduction is the process by which the oxidation number of any substance is reduced by the acceptance of electrons.
In a reduction reaction, there is acceptance of electrons or the addition of Hydrogen, or the removal of Oxygen.
Conversion of into :
Conversion of into takes place with the reduction process.
In this reaction, the Potassium Dichromate accepts electrons and is converted into Chromium Sulfate in an acidic medium by reduction.
Example: Potassium Dichromate gets reduced to Chromium Sulfate by undergoing a reaction with, Ferrous sulfate and Sulfuric acid as an acidic medium and in this process, it also oxidizes Ferrous sulfate to Ferric sulfate.
The reaction can be given as:.
In the above reaction, Potassium Dichromate gets reduced to Chromium Sulfate, in which the oxidation state of Chromium changes from by gaining three electrons.
Thus, the process of conversion of into is reduction process.