Balance the following oxidation-reduction reactions that occur in acidic solution using the half-reaction method. (Use the lowest possible coefficients. Be sure to specify states such as (ag) or (s). If a box is not needed, leave it blank. Add H,O or H* to any side of the reaction if it is needed.) a. I (aq) + Cl0¯ (aq) I3 (aq) + Cl¯ (aq) I (ag) + Cio (aq) + + (bd) _ $I Cl (aq) + b. As2O3 (s) + NO3 (aq) → H3 AsO4(aq) + NO(g) As2O3 (s) + NO3 (aq) + H3ASO4 (aq) + NO(g) + Br (aq) + Mn04¯(aq) → Br2 (1) + Mn²+ (aq) Br (aq) + MnO4 (aq) + Br2 (1) + Mn2+ (aq) +

Chemistry: Principles and Reactions
8th Edition
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Author:William L. Masterton, Cecile N. Hurley
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Chapter17: Electrochemistry
Section: Chapter Questions
Problem 25QAP: For the following half-reactions, answer these questions....
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Balance the following oxidation-reduction reactions that occur in acidic solution using the half-reaction method.
(Use the lowest possible coefficients. Be sure to specify states such as (aq) or (s). If a box is not needed, leave it blank. Add H,O or H to any side of the reaction if it is needed.)
a.
I (aq) + Cl0¯ (aq) → I3 (aq) + Cl¯(aq)
I (aq) +
Cio (ag) +
I (ag) +
Cl (ag) +
+
b.
As2O3 (s) + NO3 (aq) → H3 AsO4(aq) + NO(g)
As2 O3 (s) +
NO3 (ag) +
H3 AsO4 (aq)
+
NO(g) +
Br
q) + MnO4¯(ag) → Br2 (1) + Mn²+ (aq)
+
Br (aq) +
MnO4 (ag) +
Br2 (1)
Mn²+ (aq) +
>
d.
CH3OH(aq) + Cr2O,²' (aq) → CH2O(aq) + Cr³+ (aq)
CH3OH(ag)
Cr20,2 (aq) +
Next
Previous
CH20(aq) +
Cr+ (aq) +
Show Hint
Transcribed Image Text:Balance the following oxidation-reduction reactions that occur in acidic solution using the half-reaction method. (Use the lowest possible coefficients. Be sure to specify states such as (aq) or (s). If a box is not needed, leave it blank. Add H,O or H to any side of the reaction if it is needed.) a. I (aq) + Cl0¯ (aq) → I3 (aq) + Cl¯(aq) I (aq) + Cio (ag) + I (ag) + Cl (ag) + + b. As2O3 (s) + NO3 (aq) → H3 AsO4(aq) + NO(g) As2 O3 (s) + NO3 (ag) + H3 AsO4 (aq) + NO(g) + Br q) + MnO4¯(ag) → Br2 (1) + Mn²+ (aq) + Br (aq) + MnO4 (ag) + Br2 (1) Mn²+ (aq) + > d. CH3OH(aq) + Cr2O,²' (aq) → CH2O(aq) + Cr³+ (aq) CH3OH(ag) Cr20,2 (aq) + Next Previous CH20(aq) + Cr+ (aq) + Show Hint
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