Kohlrausch's Law and its Application

Calculate ${\Lambda }^{\text{o}}{}_{\text{HOAC}}$  at infinite dilution in  ${\text{H}}_{\text{2}}\text{O}$ at  $\text{25}°\text{C}$:

The molar conductance and the specific conductance of an electrolyte are related by the formula

The molar conductance of $0.01 \mathrm{M}$ electrolyte is $124 {\mathrm{ohm}}^{-1} {\mathrm{cm}}^2 {\mathrm{mol}}^{-1}$ at $298 \mathrm{K}$. Calculate its specific conductance.

The specific conductance of $0.01 \mathrm{M}$ of an electrolyte is $1.24\times {10}^{-3} {\mathrm{ohm}}^{-1} {\mathrm{cm}}^{-1}$ at $298 \mathrm{K}$. Calculate the molar conductance.

Calculate the molar conductance of $0.02 \mathrm{M}$ solution of an electrolyte which has a resistance of $310 \mathrm{ohm}$ at $298 \mathrm{K}$. Cell constant is $0.68 {\mathrm{cm}}^{-1}$.

The equivalent conductivity of acetic acid at infinite dilution is $387 \mathrm{S} {\mathrm{cm}}^2 {\mathrm{eq}}^{-1}$. At the same temperature, for $0.001 \mathrm{M}$ solution of acetic acid, it is $55 \mathrm{S} {\mathrm{cm}}^2 {\mathrm{eq}}^{-1}$. What is the degree of dissociation of $0.1 \mathrm{N}$ acetic acid? Assume $1-\mathrm{\alpha }\approx 1$

$$\begin{gathered} \mathrm{A} : 1.5\% \\ \mathrm{B} : 1.35\% \\ \mathrm{C} : 2\% \end{gathered}$$

Enter your correct answer as A, B or C.

Which statement is not correct for Kohlrausch law?

If the value of molar conductivities at infinite dilution for ${\mathrm{CH}}_3\mathrm{COOH}$, $\mathrm{HCl}$ and $\mathrm{NaCl}$ are $390.5, 425.4$and $126.4 \mathrm{S} {\mathrm{cm}}^2{\mathrm{mol}}^{-1}$ respectively at $298 \mathrm{K}$. Calculate the molar conductivity at infinite dilution of ${\mathrm{CH}}_3\mathrm{COONa}$ in $\mathrm{S} {\mathrm{cm}}^2{\mathrm{mol}}^{-1}$. (Just mention the value, no requirement of units in the answer).

Define limiting molar conductivity $\left(\mathrm{\Lambda }{°}_{\mathrm{m}}\right)$.

${\wedge }_{\mathrm{m} \left({\mathrm{NH}}_4\mathrm{OH}\right)}^0$ is equal to _____.

What is the molar conductivity of $\mathrm{AgI}$ at zero concentration if the ${\wedge }_0$ values of $\mathrm{NaI}, {\mathrm{AgNO}}_3$ and ${\mathrm{NaNO}}_3$ are respectively $126.9 {\mathrm{\Omega }}^{-1}{\mathrm{cm}}^2{\mathrm{mol}}^{-1}$, $133.4 {\mathrm{\Omega }}^{-1}{\mathrm{cm}}^2{\mathrm{mol}}^{-1}$, $121.5 {\mathrm{\Omega }}^{-1}{\mathrm{cm}}^2{\mathrm{mol}}^{-1}$?

How is the molar conductivity of strong electrolytes at zero concentration determined by graphical method? Why is this method not useful for weak electrolytes?

The molar conductivities at zero concentrations of ${\mathrm{NH}}_4\mathrm{Cl}, \mathrm{NaOH}$ and $\mathrm{NaCl}$ are respectively $149.7{\mathrm{\Omega }}^{-1}{\mathrm{cm}}^2{\mathrm{mol}}^{-1}, 248.1{\mathrm{\Omega }}^{-1}{\mathrm{cm}}^2{\mathrm{mol}}^{-1}$ and $126.5{\mathrm{\Omega }}^{-1}{\mathrm{cm}}^2{\mathrm{mol}}^{-1}.$ What is the molar conductivity of ${\mathrm{NH}}_4\mathrm{OH}$ at zero concentration?

The  equivalent conductance of $1\mathrm{M} {\mathrm{CH}}_3\mathrm{COOH} \mathrm{is} 10 {\mathrm{ohm}}^{-1}{\mathrm{cm}}^2{\mathrm{eq}}^{-1}$ and at infinite dilution is $200 {\mathrm{ohm}}^{-1}{\mathrm{cm}}^2/\mathrm{eq}$. Calculate the value of degree of ionization  of  $\mathrm{Ac}-\mathrm{OH} \left({\mathrm{CH}}_3\mathrm{COOH}\right)$.

Which of the following graph is/are correct for a weak acid (HA), where symbols have usual meaning?

The equivalent conductance of $\text{1}\text{M}$ benzoic acid is $\text{12.8 }\mathrm{o}\mathrm{h}{\mathrm{m}}^{-1}\mathrm{c}{\mathrm{m}}^2$ and if the conductance of benzoate ion and ${\mathrm{H}}^{+}$ ion at infinite dilution are $42$ and $\text{288.42}\hspace{0.33em}\mathrm{o}\mathrm{h}{\mathrm{m}}^{-1}\mathrm{c}{\mathrm{m}}^2$ respectively. Calculate percentage of degree of dissociation.
Report your answer by rounding upto nearest whole number.

If molar conductivity of $C{a}^{2+}$ and $C{l}^{-}$ ions are $119$ and $71S c{m}^{2}mo{l}^{-1}$ respectively, then the molar conductivity of $CaC{l}_2$ at infinite dilution is

The graph of $\sqrt{C}\to {\wedge }_m$ for an aqueous solution of which substance is not obtained as a straight line?

The conductivity of $0.001028 mol L^{-1}$ acetic acid is $4.95\times {10}^{-5}S c{m}^{-1}.$ Find out its dissociation constant if ${\wedge }_m$ for acetic acid is $390.5\mathrm{ }\mathrm{S}\mathrm{ }{\mathrm{cm}}^2{\mathrm{mol}}^{-1}.$