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Kohlrausch Law

Given the equ...

Question

Given the equivalent conductance of sodium butyrate, sodium chloride and hydrogen chloride as 83, 127 and $426 m h o c m^{2}$ at $25^{\circ} C$ respectively. Calculate the equivalent conductance of butyric acid at
infinite dilution.

A

382 m h o c m^{2} e q^{- 1}

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B

282 m h o c m^{2} e q^{- 1}

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C

582 m h o c m^{2} e q^{- 1}

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D

482 m h o c m^{2} e q^{- 1}

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Solution

The correct option is A $382 m h o c m^{2} e q^{- 1}$
As we know,
equivalent conductance of butyric acid at infinite dilution $= 83 - 127 + 426 = 382 m h o c m^{2} e q^{- 1}$

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