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Question
Chemistry
The specific conductance of a N / 10 KCl at 25° C is 0.0112 ohm -1 cm -1 . The resistance of cell containing solution at the same temperature was found to be 55 ohm. The cell constant will be
Q. The specific conductance of a
N
/10
K
Cl
at
2
5
∘
C
is
0.0112
o
h
m
−
1
c
m
−
1
.
The resistance of cell containing solution at the same temperature was found to be
55
o
hm
. The cell constant will be
2886
210
AIPMT
AIPMT 1999
Electrochemistry
Report Error
A
0.142
c
m
−
1
11%
B
0.66
c
m
−
1
65%
C
0.918
c
m
−
1
13%
D
1.12
c
m
−
1
11%
Solution:
Specific conductivity,
k
=
0.012
Ω
−
1
c
m
−
1
k
=
resistance
1
×
a
1
[
G
=
R
1
]
a
1
=
cell constant
a
1
=
55
×
0.012
=
0.66
c
m
−
1