Establish the half-reactions involved with HIO3 and Au and determine if HIO3 is capable of dissolving (oxidizing) Au (s)
Reactions with higher (more positive) reduction half-cell potential has a greater tendency to gain electrons (reduce) and act as oxidizing agent
The half-reactions of HIO3 and Au will appear as:
Decide whether or not Au dissolves in 1 M HIO3.
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