The cell constant of a column of 0.05 mol L^-1 NaOH solution of diameter 2 cm and length 100 cm is:

3.184 cm^-1

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31.84 cm^-1

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0.3184 cm^-1

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0.003184 cm^-1

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Solution

The correct option is B
31.84 cm^-1

A = π r²= 3.14 x (1)² = 3.14 cm²

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The conductivity of 0.02 mol L^-1 KCl solution having the cell constant 1.29 cm^-1 and reisistance 520 Ω is:

0.002768 S c m^{- 1}

0.005 N K_{2} S O_{4}

\frac{N}{10} K C l

20^{\circ} C

0.0212 o h m^{- 1} c m^{- 1}

20^{\circ} C

y = (3 cm) sin 6.28 (0.5 x - 50 t)

x

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