(B) The variation of molar conductivity $(\Lambda_m)$ with concentration $(c)$ for strong electrolytes is given by the Kohlrausch equation:$\Lambda_m

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$\Lambda_m = \Lambda_m^0 - A\sqrt{c}$

(B) The variation of molar conductivity $(\Lambda_m)$ with concentration $(c)$ for strong electrolytes is given by the Kohlrausch equation:$\Lambda_m = \Lambda_m^0 - A\sqrt{c}$Where:$1$. $\Lambda_m$ is the molar conductivity at a given concentration.$2$. $\Lambda_m^0$ is the molar conductivity at infinite dilution.$3$. $A$ is a constant that depends on the nature of the solvent and temperature.$4$. $c$ is the concentration of the electrolyte.Thus, option $B$ is correct.

Class 12 Chemistry Electrochemistry Conductor and Conductance and Cell constant

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Which of the following expressions indicates the correct relationship between molar conductivity of a strong electrolyte and its concentration $c$?

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A
$\Lambda_m = \Lambda_m^0 + \sqrt{c}$
B
$\Lambda_m = \Lambda_m^0 - A\sqrt{c}$
C
$\Lambda_m = \Lambda_m^0 + A\sqrt{c}$
D
$\Lambda_m = \Lambda_m^0 - \sqrt{c}$

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Which of the following expressions indicates the correct relationship between molar conductivity of a strong electrolyte and its concentration $c$?

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Which of the following expressions represents the molar conductivity of an $AB_3$ type electrolyte?

The resistance of $0.05\, M$ solution of oxalic acid is $200\, \Omega$ and the cell constant is $2.0\, cm^{-1}$. The equivalent conductance in $S\, cm^2\, eq^{-1}$ will be:

The resistance of $0.1 \ M$ weak acid $HA$ in a conductivity cell is $2 \times 10^3 \ \Omega$. The cell constant of the cell is $0.78 \ cm^{-1}$ and $\lambda_{m}^{\circ}$ of acid $HA$ is $390 \ S \ cm^2 \ mol^{-1}$. The $pH$ of the solution is

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The resistance of a $0.5 \, M$ solution of an electrolyte in a cell was found to be $50 \, \Omega$. If the electrodes in the cell are $2.2 \, cm$ apart and have an area of $4.4 \, cm^2$,then the molar conductivity (in $S \, m^2 \, mol^{-1}$) of the solution is:

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