In the half reaction 2CIO^3- → CI2 , how many electrons are lost/gained?
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Cr2O72−+2Fe2++2C2O42−→2Cr3++2Fe3++4CO2
The oxidation number of chromium in Cr2O72− is +6 and it reduces to +3 in Cr3+. On balancing the equation, we will see 2 moles of chromium ion goes from +6 to +3.
Hence, there are 6 electrons involved in the above redox reaction.
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a sharp-tasting crystalline acid present in the juice of lemons and other sour fruits. It is made commercially by the fermentation of sugar and used as a flavouring and setting agent.
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