Post-UTME Chemistry 2016 Objective — Question 4
Question 4 of 20 from the Post-UTME Screening (Post-UTME) Chemistry 2016 Objective paper, with the correct answer and a full explanation.
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In an electrolytic process, a metal X is deposited according to the equation X2+ + 2e(aq) -> X. Calculate the quantity of electricity required to deposit 0.5 mole of X. [F = 96,500 C mol-1]
- A. 19300 C
- B. 48250 C
- C. 96500 CCorrect
- D. 289500 C
Explanation
Q = nzF = 0.5 x 2 x 96500 = 96500 C.
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