WAEC Chemistry 2011 Theory — Question 3

Question 3 of 31 from the West African Examinations Council (WAEC) Chemistry 2011 Theory paper, with the correct answer and a full explanation.

1(b)(ii) What type of ions must flow into the cathode? Give a reason for your answer.

Model answer

Since the cathode (of an electrochemical cell) is positive, negative ions must flow to the cathode.

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