The Bromate Ion, BrO₃-, Can Form in Drinking Water If $\rightarrow$

question 50

Multiple Choice

The bromate ion, BrO₃-, can form in drinking water if ozone disinfection is performed under basic conditions when bromide ions are present.If this redox reaction were performed in an electrochemical cell, what would the standard cell potential be? The relevant reduction reactions and standard reduction potentials are given below.
BrO₃-+ 3 H₂O + 6 e- $\rightarrow$ Br -+ 6 OH^- $\quad$ +0.58 V
O₃ + H₂O + 2 e- $\rightarrow$ O₂+ 2 OH^- $\quad$$\quad$$\quad$ ++1.24 V

• A)(-3.14 V)
• B)(+3.14 V)
• C)(+1.05 V)
• D)(+1.82 V)
• E)(+0.66 V)

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