A. 6 mins
B. 8 mins
C. 24 mins
D. 48 mins
Correct Answer:
Option B – 8 mins
Explanation
Cu²+ + 2e → Cu(s)
2 X 96500C deposit 64g of Cu
∴ x quantity of electricity wil deposit 0.08
x = (2 * 96500 * 0.08)/64 =241.25 coulomb.
Q = It
241.25 = 0.5t
t = 241.25/60 = 8 mins
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![Determine the amount of electrons needed to deposit 6.4g of copper during the electrolysis of copper (ll) tetraoxosulphate (IV) solution [Cu = 64]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "Determine the amount of electrons needed to deposit 6.4g of copper during the electrolysis of copper (ll) tetraoxosulphate (IV) solution [Cu = 64]")