6. Chemical Quantities & Aqueous Reactions

Which of the following is the correctly balanced redox reaction for Cr2O7^2-(aq) + I^-(aq) → Cr^3+(aq) + IO3^-(aq) in acidic solution?

What is the balanced redox reaction for Cu(s) + NO3⁻(aq) → Cu²⁺(aq) + NO2(g) in an acidic solution?

What is the balanced redox reaction for Cu(s) + NO₃⁻(aq) → Cu²⁺(aq) + NO₂(g) in an acidic solution?

In a galvanic cell operating in an acidic solution, which of the following represents the correct half-reaction occurring at the anode?

Which of the following is the balanced redox reaction for IO3⁻(aq) + H2SO3(aq) → I2(aq) + SO4²⁻(aq) in an acidic solution?

What is the coefficient for H2O(l) when the reaction PbO2(s) + I2(s) → Pb2+(aq) + IO3−(aq) is balanced in an acidic aqueous solution?

What is the balanced half-reaction for the oxidation occurring at the anode in the galvanic cell: Co(s) | Co2+(aq) || Cu2+(aq) | Cu(s) in an acidic solution?

What is the balanced half-reaction for Al(s) + MnO4^-(aq) -> Al^3+(aq) + Mn^2+(aq) in acidic conditions?