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Q.

The specific conductance of 0.1N KCl solution  at 230C is 0.0112ohm−1cm−1.  The resistance of cell containing the solution at the same temperature was found to be 55 ohm. The cell constant will be

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a

0.918cm–1

b

0.616cm–1

c

0.142cm–1

d

1.12 cm–1

answer is B.

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Detailed Solution

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specific conductiviyt (k) = 1R×cell constant  1R=155=0.01818 0.0112 =0.01818 x cell constant  cell constant = 0.616 com-1 

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