(A) The Kohlrausch equation for strong electrolytes is given by: $\Lambda_{m} = \Lambda_{m}^{\circ} - A \sqrt{C}$.Here,$\Lambda_{m}$ is the molar cond

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$S \ cm^2 \ mol^{-3/2} \ L^{1/2}$

(A) The Kohlrausch equation for strong electrolytes is given by: $\Lambda_{m} = \Lambda_{m}^{\circ} - A \sqrt{C}$.Here,$\Lambda_{m}$ is the molar conductivity,$C$ is the concentration,and $A$ is a constant.The unit of $\Lambda_{m}$ is $S \ cm^2 \ mol^{-1}$.The unit of $\sqrt{C}$ is $(mol \ L^{-1})^{1/2} = mol^{1/2} \ L^{-1/2}$.Since the slope $A = \frac{\Lambda_{m}}{\sqrt{C}}$,the unit of $A$ is $\frac{S \ cm^2 \ mol^{-1}}{mol^{1/2} \ L^{-1/2}} = S \ cm^2 \ mol^{-3/2} \ L^{1/2}$.

Class 12 Chemistry Electrochemistry Conductor and Conductance and Cell constant

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For a strong electrolyte,a plot of molar conductivity against (concentration)$^{1/2}$ is a straight line,with a negative slope. The correct unit for the slope is:

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$S \ cm^2 \ mol^{-3/2} \ L^{1/2}$
B
$S \ cm^2 \ mol^{-1} \ L^{1/2}$
C
$S \ cm^2 \ mol^{-3/2} \ L$
D
$S \ cm^2 \ mol^{-3/2} \ L^{-1/2}$

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Ionic conductance of $Ga^{3+}$ ions and $NO_3^-$ ions at infinite dilution are $120 \, \Omega^{-1} \, cm^2 \, mol^{-1}$ and $50 \, \Omega^{-1} \, cm^2 \, mol^{-1}$ respectively. Equivalent conductance of $Ga(NO_3)_3$ at infinite dilution will be ........... $\Omega^{-1} \, cm^2 \, eq^{-1}$.

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The molar conductivity is maximum for the solution of concentration (in $M$)

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Write a note on specific conductivity $(k)$.

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Assertion : On increasing dilution,the specific conductance keeps on increasing.
Reason : On increasing dilution,the degree of ionization of a weak electrolyte increases and the mobility of ions also increases.

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The ionic conductivity of $Ba^{2+}$ and $Cl^{-}$ at infinite dilution are $127$ and $76 \ ohm^{-1} cm^2 eq^{-1}$ respectively. The equivalent conductivity of $BaCl_2$ at infinite dilution (in $ohm^{-1} cm^2 eq^{-1}$) would be $:-$

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For a strong electrolyte,a plot of molar conductivity against (concentration)$^{1/2}$ is a straight line,with a negative slope. The correct unit for the slope is:

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Ionic conductance of $Ga^{3+}$ ions and $NO_3^-$ ions at infinite dilution are $120 \, \Omega^{-1} \, cm^2 \, mol^{-1}$ and $50 \, \Omega^{-1} \, cm^2 \, mol^{-1}$ respectively. Equivalent conductance of $Ga(NO_3)_3$ at infinite dilution will be ........... $\Omega^{-1} \, cm^2 \, eq^{-1}$.

The molar conductivity is maximum for the solution of concentration (in $M$)

Write a note on specific conductivity $(k)$.

Assertion : On increasing dilution,the specific conductance keeps on increasing.Reason : On increasing dilution,the degree of ionization of a weak electrolyte increases and the mobility of ions also increases.

The ionic conductivity of $Ba^{2+}$ and $Cl^{-}$ at infinite dilution are $127$ and $76 \ ohm^{-1} cm^2 eq^{-1}$ respectively. The equivalent conductivity of $BaCl_2$ at infinite dilution (in $ohm^{-1} cm^2 eq^{-1}$) would be $:-$

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Assertion : On increasing dilution,the specific conductance keeps on increasing.
Reason : On increasing dilution,the degree of ionization of a weak electrolyte increases and the mobility of ions also increases.