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Examen
OVS SCH4U Unit 5 Electrochemistry Test Questions And Correct Answers |100% Verified |Guaranteed Success | update
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---6julio 20262025/2026A+
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Part A: Knowledge and Understanding ( /10 ) 
Date: 
1. The electrode at which oxidation occurs is called the 
a. oxidizing agent 
b. cathode 
c. reducing agent 
d. anode 
2. Which of the following is an oxidation-reduction reaction? 
a. Na → Na+ + 1e- 
b. 2 SO2 + O2 → 2 SO3 
c. N2O4 → 2 NO2 
d. 2 e- + F2 → 2 F- 
3. Which element is oxidized in the chemical reaction shown by the following chemical 
equation? 
3 Cu (s) + 8HNO3 (aq) → 3 Cu(NO3)2 (aq) + 2 NO (g) + ...
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