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Standard XII

Chemistry

Equivalent, Molar Conductivity and Cell Constant

The molar con...

Question

The molar conductivity of cation and anion of salt $B A$ are $180$ and $220$ mhos respectively.
The molar conductivity of salt $B A$ at infinite dilution is ________.

90 m h o s c m^{2} m o l^{- 1}

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110 m h o s c m^{2} m o l^{- 1}

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200 m h o s c m^{2} m o l^{- 1}

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400 m h o s c m^{2} m o l^{- 1}

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Solution

The correct option is C $400 m h o s c m^{2} m o l^{- 1}$
By Kohlraush's law for strong electrolytes at infinite dilution.
$Λ_{m}^{o} = λ_{+}^{o} + λ_{-}^{o}$
Molar conductivity of $B A = 180 + 220 = 400 m h o s c m^{2} m o l^{- 1}$

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Similar questions

The ionic mobilities of the cation and the anion of a salt $A_{2} B$ are 140 and 80 $o h m^{- 1} c m^{2} e q^{- 1}$ respectively.The molar conductivity of salt at infinite dilution (in $o h m^{- 1} c m^{2} e q - 1$ ) is:

Q. The equivalent conductivities at infinite dilution of the cation and the anion of a salt.

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Q. The molar conductances at infinite dilution for electrolytes

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. If the molar conductance at infinite dilution of

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198 o h m^{- 1} c m^{2} m o l^{- 1}

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and

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140

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120 o h m^{- 1} c m^{2} m o l^{- 1}

respectively. If the molar conductance at infinite dilution of

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198 o h m^{- 1} c m^{2} m o l^{- 1}

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The molar conductivity of cation and anion of salt BA are 180 and 220 mhos respectively.The molar conductivity of salt BA at infinite dilution is ________.

The correct option is C 400 mhos cm2 mol−1By Kohlraush's law for strong electrolytes at infinite dilution.Λom=λo++λo−Molar conductivity of BA=180+220=400 mhos cm2 mol−1

The molar conductivity of cation and anion of salt $B A$ are $180$ and $220$ mhos respectively.
The molar conductivity of salt $B A$ at infinite dilution is ________.

The correct option is C $400 m h o s c m^{2} m o l^{- 1}$
By Kohlraush's law for strong electrolytes at infinite dilution.
$Λ_{m}^{o} = λ_{+}^{o} + λ_{-}^{o}$
Molar conductivity of $B A = 180 + 220 = 400 m h o s c m^{2} m o l^{- 1}$