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Which of These Processes Can Occur at the Cathode in an Electrochemical

Question 5

Multiple Choice

Which of these processes can occur at the cathode in an electrochemical cell?

A) 2Br ⁻ → Br₂+ 2e⁻
B) Cr → Cr³⁺ + 3e⁻
C) Cu → Cu²⁺ + 2e⁻
D) Li⁺ + 1e⁻ → Li
E) H₂ + 2OH⁻ → 2H₂O + 2e⁻

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