Resources Balance the redox reaction by inserting the appropriate coefficients. redox reaction: H+ + CIO, +1…
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Question “Resources Balance the redox reaction by inserting the appropriate coefficients. redox reaction: H+ + CIO, +1…”
Answer
Cl in ClO2- has an oxidation status of +3 Clin Cl- has an oxidation status of -1
Cl in ClO2- has been reduced to Cl-
I in I- is in an oxidation state -1
I in I2 is at a 0 oxidation state.
Thus, I in I is oxidized to I2
Half cell reduction:
ClO2- + 4e- –> Cl-
Half cell for oxidation:
2 I- –> I2 + 2e-
In both half reactions, balance number of electrons must be the same
Half cell reduction:
ClO2- + 4e- –> Cl-
Half cell for oxidation:
4 I- –> 2 I2 + 4e-
Let’s combine them both.
ClO2- + 4 I- –> Cl- + 2 I2
Add water to balance Oxygen
ClO2- + 4 I- –> Cl- + 2 I2 + 2 H2O
Add H+ to balance Hydrogen
ClO2- + 4 I- + 4 H+ –> Cl- + 2 I2 + 2 H2O
This is a balanced chemical equation in acidic media
Answer: 4, 1, 4 -> 1, 2, 2
Conclusion
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