Which of the following concentrations of $KCl$ solution has the lowest value of equivalent conductivity (in $M$)?

The equivalent conductance at infinite dilution $\wedge^0$ for electrolytes $BA$ and $CA$ are $140$ and $120 \ S \ cm^2 \ eq^{-1}$,respectively. The equivalent conductance at infinite dilution for $BX$ is $198 \ S \ cm^2 \ eq^{-1}$. The $\wedge^0$ (in $S \ cm^2 \ eq^{-1}$) of $CX$ is:

Which of the following $N$ solutions of $NaCl$ has the maximum specific conductivity?

The conductivity of a centimolar solution of $KCl$ at $298\text{ K}$ is $0.021\text{ }\Omega^{-1}\text{ cm}^{-1}$ and the resistance of the cell containing the solution at $298\text{ K}$ is $60\text{ }\Omega$. The value of the cell constant $(G^*)$ is (in $text{ cm}^{-1}$)

$0.01\, S\, m^2\, mol^{-1} = $ ....... $S\, cm^2\, mol^{-1}$

The variation of molar conductivity with concentration of an electrolyte $X$ in aqueous solution is shown in the given figure.
The electrolyte $X$ is :