wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Two Faraday of electricity is passed through a solution of CuSO4. The mass of copper deposited at the cathode is (at. mass of Cu = 63.5 u)

A
0 g
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
63.5 g
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
2 g
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
127 g
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B 63.5 g
Given Q = 2F
Atomic mass of Cu = 63.5u
Valcency of the metal Z = 2
We have, CuSO4Cu2++SO24
Cu(2+)+2eCu
1mol 2mol 1mol = 63.5g
2F
Alternatively,
W=ZQ=EF.2F=2E=2×63.52=63.5g

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Faraday's Laws
CHEMISTRY
Watch in App
Join BYJU'S Learning Program
CrossIcon