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Manipal Entrance Test 2020 Chemistry Paper
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© examsnet.com
Question : 3
Total: 50
Certain electric current for half an hour can collect
11.2
L of hydrogen at NTP. Same current when passed through an electrolytic solution for one hour, can deposite how much silver?
216
g
108
g
47
g
60
g
Validate
Solution:
11.2
L
H
2
gas at
N
T
P
=
0.5
mole of
H
2
gas
=
1
g
of
H
2
g
w
1
w
2
=
E
1
E
2
=
1
w
2
=
1
108
or
w
2
=
108
g
silver is deposited in half an hour.
Therefore,
108
×
2
=
216
g
silver will be deposited in one hour.
© examsnet.com
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