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Q.

The conductivity of centimolar solution of KCl at 25oC is 0.0210 ohm-1 cm-1and the resistance of the cell containing the solution at 250C is 60 ohm. The value of cell constant is -

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a

3.28 cm-1

b

1.26 cm-1

c

1.34 cm-1

d

3.34 cm-1

answer is D.

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Detailed Solution

detailed_solution_thumbnail

Given K= 0.0210 ohm-1cm-1
Resistance R = 60 ohm
Cell constant 1a=?
K=1R×1a1a=K×R=0.0210×60=1.26cm−1

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