What reactions occur during the electrolysis of aqueous Nal between Pt electrodes? ε° of Na | Na+ = -2.71 V ε° of Pt | I2, I- = 0.53 V ε° of Pt | H2O, H2, OH- = -0.83 V ε° of Pt | H2O, O2, H+ = 1.23 V   a. Na (s) deposits at the cathode, O2 (g) evolves at the anode b. Na (s) deposits at the cathode, I2 (s) deposits at the anode c. H2 (g) evolves at the cathode, I2 (s) deposits at the anode d. H2 (g) evolves at the cathode, O2 (g) evolves at the anode

Principles of Modern Chemistry
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Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
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Chapter17: Electrochemistry
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What reactions occur during the electrolysis of aqueous Nal between Pt electrodes? ε° of Na | Na+ = -2.71 V ε° of Pt | I2, I- = 0.53 V ε° of Pt | H2O, H2, OH- = -0.83 V ε° of Pt | H2O, O2, H+ = 1.23 V

 

a. Na (s) deposits at the cathode, O2 (g) evolves at the anode

b. Na (s) deposits at the cathode, I2 (s) deposits at the anode

c. H2 (g) evolves at the cathode, I2 (s) deposits at the anode

d. H2 (g) evolves at the cathode, O2 (g) evolves at the anode

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