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Standard XII

Chemistry

Redox Reactions and Couple

Molar conduct...

Question

Molar conductivity of $H^{+}$ and $A^{-}$ at infinite dilution are 250 and 150 S cm $^{2}$ mol $^{-} 1$ . Molar conductivity of 0.1 M solution of HA at 25 $^{\circ} C$ is 4 S cm $^{2}$ mol $^{-} 1$ . the pH of 0.1 M solution of HA at 25 $^{\circ} C$ is

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Solution

The correct option is B 3
we have,
molar conductivity at infinite dilution = 250 + 150 = 400 $S c m^{2} m o l^{- 1}$
so , after solving we get $p H$ = 3

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Molar conductivity of H+ and A− at infinite dilution are 250 and 150 S cm2 mol−1. Molar conductivity of 0.1 M solution of HA at 25∘C is 4 S cm2 mol−1. the pH of 0.1 M solution of HA at 25∘C is

The correct option is B 3we have,molar conductivity at infinite dilution = 250 + 150 = 400 Scm2mol−1so , after solving we get pH = 3

Molar conductivity of $H^{+}$ and $A^{-}$ at infinite dilution are 250 and 150 S cm $^{2}$ mol $^{-} 1$ . Molar conductivity of 0.1 M solution of HA at 25 $^{\circ} C$ is 4 S cm $^{2}$ mol $^{-} 1$ . the pH of 0.1 M solution of HA at 25 $^{\circ} C$ is

The correct option is B 3
we have,
molar conductivity at infinite dilution = 250 + 150 = 400 $S c m^{2} m o l^{- 1}$
so , after solving we get $p H$ = 3