CHEMISTRY
JAMB 2020 - Question 27
Chemistry 2020 JAMB Past Questions - Question 27: What quantity of electricity will liberate 0.125 mole of oxygen molecules during the electrolysis of dilute sodium chloride solution?[ F = 96 5000 C mol ‾ ¹ ]
Choose the most appropriate option for the gap .
[ F = 96 5000 C mol ‾ ¹ ]
A:
B:
C:
D:
Correct Answer
B
Explanation
4 faradays of electricity is required to liberate one mole of oxygen gas i.e quantity of electricity required = 0.125 X 4 X 965000 = 48250 coulombs
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