Write a balanced half-reaction for the reduction of bismuth oxide ion to bismuth ion in acidic aqueous solution. be sure to add physical state symbols where appropriate.

Question

Chemistry

Allison Bass

25 May, 19:50

Write a balanced half-reaction for the reduction of bismuth oxide ion to bismuth ion in acidic aqueous solution. be sure to add physical state symbols where appropriate.

+4

Answers (1)

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Triston Monroe · Answer 1

BiO₃⁻ → Bi³⁺

+5 + 3

Balance oxidation state:

BiO₃⁻ + 2 e⁻ → Bi³⁺

Balancing oxygen by adding water and balance H

BiO₃⁻ + 6 H⁺ + 2 e⁻ → Bi³⁺ + 3 H₂O

balance charge:

BiO₃⁻ + 6 H⁺ + 2 e⁻ → Bi³⁺ + 3 H₂O

+ 3 + 3

Final:

BiO₃⁻ + 6 H⁺ + 2 e⁻ → Bi³⁺ + 3 H₂O