Respuesta :

due to the iron hydrogen and chromium diluted oxygen. the iron become more oxydized.
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Iron lost one electron from left to right hennce iron is the oxidized element.

What is oxidation?

The term oxidation has to do with the loss of electrons. W e now have to look out in the reaction for the specie that looses electrons.

Now consider the equation; 6Fe^2+ + 14H+ + Cr2O7^-2 -------->6Fe^3+ + 2Cr^3+ + 7H2O, we can see that iron lost one electron from left to right hennce iron is the oxidized element.

Learn more about oxidation: https://brainly.com/question/9496279