1. Given that the electrochemical cell H gives a potential of 0.350, determine the standard potential for the reduction of BrO3- (aq) to Br2 (l). 2. Construct a Latimer diagram that shows the three bromine species (BrO3-, Br2, and Br-) in this problem. include the skip potential for the reduction of BrO3- (aq) to Br- (aq) under standard conditions.

Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter19: Principles Of Chemical Reactivity: Electron Transfer Reactions
Section19.9: Corrosion: Redox Reactions In The Environment
Problem 2.5ACP: Assume the following electrochemical cell simulates the galvanic cell formed by copper and zinc in...
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1. Given that the electrochemical cell H gives a potential of 0.350, determine the standard potential for the reduction of BrO3- (aq) to Br2 (l).

2. Construct a Latimer diagram that shows the three bromine species (BrO3-, Br2, and Br-) in this problem. include the skip potential for the reduction of BrO3- (aq) to Br- (aq) under standard conditions.

Two chemists, Lee and Lea, are working on the electrochemistry of bromine species. They prepared the
following electrochemical cells (Table 1) at 298 K.
Table 1. Two electrochemical cells to study the electrochemistry of bromine species.
Cell L:
| Pt(s) | Br2(1) | Br¯(aq) (1.0 M) || Br¯(aq) (x M) from [PbBr4]²¯ | Br2(1) | Pt(s)
Cell H:
Pt(s) | Br2(1) | Br (aq) (x M) || BrO3 (aq) (0.43 M), H* (aq) (1.00 M) | Br2(1) | Pt(s)
Lee prepared a concentration cell (L) where the cathode half-cell uses an equilibrium solution of [PbBr4]²¯ (aq
as the source of bromide ions. On the other hand, Hee prepared a galvanic cell (H), where the bromide ion
concentration in the anode is equal to that in the cathode of cell L.
Given: Eºred Br201/Br (aq) = +1.07 V
Transcribed Image Text:Two chemists, Lee and Lea, are working on the electrochemistry of bromine species. They prepared the following electrochemical cells (Table 1) at 298 K. Table 1. Two electrochemical cells to study the electrochemistry of bromine species. Cell L: | Pt(s) | Br2(1) | Br¯(aq) (1.0 M) || Br¯(aq) (x M) from [PbBr4]²¯ | Br2(1) | Pt(s) Cell H: Pt(s) | Br2(1) | Br (aq) (x M) || BrO3 (aq) (0.43 M), H* (aq) (1.00 M) | Br2(1) | Pt(s) Lee prepared a concentration cell (L) where the cathode half-cell uses an equilibrium solution of [PbBr4]²¯ (aq as the source of bromide ions. On the other hand, Hee prepared a galvanic cell (H), where the bromide ion concentration in the anode is equal to that in the cathode of cell L. Given: Eºred Br201/Br (aq) = +1.07 V
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