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(1/2)Zn2+(aq) + e- → (1/2) Zn(s) In the reaction above, calculate the quantity of electricity...

Chemistry
JAMB 2000
(1/2)Zn2+(aq) + e- → (1/2) Zn(s)
In the reaction above, calculate the quantity of electricity required to discharge zinc.
[F = 96 500 C mol-1]
  • A. 0.965 * 104C
  • B. 4.820 * 104C
  • C. 9.650 * 104C
  • D. 48.200 * 104C
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Correct Answer: Option C
Explanation
1 mol → 96500 * 2
0.5 mol → X
X = 0.5 * 96500 * 2
= 9.650 * 104C
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Project Topics and Materials, Post-UTME past questions - Download now or upload yours to get paid
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789
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NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789
Join your school's WhatsApp group
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts