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Predict the Products Obtained from the Electrolysis of a 1

Question 111

Multiple Choice

Predict the products obtained from the electrolysis of a 1 M AlBr3 solution. Note that 2H2O(l) + 2e- → H2(g) +2OH-(aq) ,E° = -0.83 V
O2(g) + 4H+(aq) + 4e- → 2H2O(l) ,E° = +1.23 V
Br2(l) + 2e- → 2Br-(aq) E° = +1.08 V,and
Al3+(aq) + 3e- → Al(s) E° = -1.66 V


A) Al and Br2
B) Al and O2
C) H2 and O2
D) H2 and Br2
E) Al and H2

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