Balancing Redox Reactions
Chemistry ⇒ Redox Reactions and Electrochemistry
Balancing Redox Reactions starts at 10 and continues till grade 12.
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Balance the following redox reaction in acidic medium: Cr2O72− + C2O42− → Cr3+ + CO2
Balance the following redox reaction in acidic medium: Cu + NO3− → Cu2+ + NO
Balance the following redox reaction in acidic medium: H2O2 + Cl2O7 → O2 + HClO4
Balance the following redox reaction in acidic medium: MnO4− + Fe2+ → Mn2+ + Fe3+
Balance the following redox reaction in basic medium: BrO3− + SO32− → Br− + SO42−
Balance the following redox reaction in basic medium: I2 + S2O32− → I− + S4O62−
Balance the following redox reaction in basic medium: MnO4− + SO32− → MnO2 + SO42−
Balance the following redox reaction in basic medium: NO2− + Al → NH3 + Al(OH)4−
In the context of balancing redox reactions, what is meant by the term 'half-reaction'?
In the context of balancing redox reactions, what is the purpose of adding H2O and H+ in acidic medium?
In the context of balancing redox reactions, what is the significance of the lowest common multiple (LCM) of electrons transferred in the half-reactions?
In the reaction: 2H2O2 → 2H2O + O2, what is the change in oxidation number of oxygen?
In the reaction: 2Na + 2H2O → 2NaOH + H2, what is the oxidation number of sodium before and after the reaction?
In the reaction: Cl2 + 2Br− → 2Cl− + Br2, which species is oxidized?
What is the change in oxidation number of sulfur in the reaction: SO2 + 2H2O → SO42− + 4H+ + 2e−?
Which of the following is the oxidizing agent in the reaction: 2H2O2 → 2H2O + O2?
