The time required to deposit 4.5g of copper from CuSO\(_4\) solution by passing a current of 2.5 Amperes is (Cu = 64g ; 1F = 96500C/mol)
a
2714 sec
b
2527 sec
c
5428 sec
d
6785 sec
Explanation
Correct Option
cVideo Explanation
Post your Contribution
Share:
Discussions (7)

AcersofChemistry
5 months ago
C.
Q=It
Q=2.5t
Therefore, Q1=(2.5t)C
Cu ----》Cu²+ + 2e-
64g = 96500×2
4.5g = X C
(193000×4.5) ÷ 64
Q2 =13570C
equating Q1 and Q2
2.5t = 13570
t=13570/2.5
t=5428s

Teddy45
2 months ago
Can we use
mF/Mi=t
t=4.5x193000/64x2.5
t=868000/160
t=5428.125
t=5428sec. (simpler method)

