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Decide whether or not each metal dissolves in 1 molL−1HIO3(aq). Standard Electrode Potentials at 25 ∘C...

Decide whether or not each metal dissolves in 1 molL−1HIO3(aq). Standard Electrode Potentials at 25 ∘C

Reduction Half-Reaction E∘(V)

IO3−(aq)+6H+(aq)+5e− →12I2(aq)+3H2O(l) 1.20

Au3+(aq)+3e− →Au(s) 1.50

Cr3+(aq)+3e− →Cr(s) -0.73

Part A

Au

dissolves
does not dissolve

Cr

dissolves
does not dissolve
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Answer #1

part A :- cr Au doesnot dissolve Aut/ Au reduction half cell. dissolves er/cu3t onidation half cell.

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