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JEE Main 9 Apr 2019 Paper 2 Solved Paper
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© examsnet.com
Question : 33
Total: 90
A solution of
N
i
(
N
O
3
)
2
is electrolysed between platinum electrodes using 0.1 Faraday electricity. How many mole of Ni will be deposited at the cathode?
0.10
0.15
0.20
0.05
Validate
Solution:
For 2F of electricity → 1 mole of Ni is deposited
⇒
0.1
F
→
⇒
x
=
0.1
2
=
0.05
moles
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