Which conductance shows a decrease in its value upon increasing the temperature of an electrolyte solution?

The equivalent conductance of $H_2SO_4$ at infinite dilution is $384 \, \Omega^{-1} \, cm^2 \, eq^{-1}$. If the solution contains $49 \, g$ of $H_2SO_4$ per liter and the specific conductance is $18.4 \, \Omega^{-1} \, cm^{-1}$,calculate the degree of dissociation in percentage.

The conductivity of $0.20 \, M$ solution of $KCl$ at $298 \, K$ is $0.0248 \, S \, cm^{-1}$. Calculate its molar conductivity.

Which of the following cannot be used as a standard solution for the determination of the cell constant of a conductivity cell?

What is the expression for the ionisation constant $(K_a)$ of a weak acid $(HA)$ in terms of molar conductivity at infinite dilution $(\Lambda_m^\infty)$ and molar conductivity at a given concentration $(\Lambda_m)$?

Which is the conductivity of $0.02 \ M \ HCl$ solution if molar conductivity of the solution at $25^{\circ} C$ is $412.3 \ \Omega^{-1} \ cm^{2} \ mol^{-1}$?