Post-UTME Chemistry 2017 Objective — Question 3
Question 3 of 20 from the Post-UTME Screening (Post-UTME) Chemistry 2017 Objective paper, with the correct answer and a full explanation.
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During the electrolysis of dilute sodium chloride solution, the product at the anode is
- A. sodium
- B. hydrogen
- C. oxygenCorrect
- D. chlorine
Explanation
In dilute NaCl solution, hydroxide ions are preferentially discharged at the anode, producing oxygen gas.
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