Which of the following decreases on dilution of an electrolytic solution?

Let $C_{NaCl}$ and $C_{BaSO_4}$ be the conductances (in $S$) measured for saturated aqueous solutions of $NaCl$ and $BaSO_4,$ respectively, at a temperature $T.$ Which of the following statements is false?

State Kohlrausch's law of independent migration of ions and explain its applications.

$0.2\% (w/v)$ solution of $NaOH$ is measured to have resistivity $870.0 \ m\Omega \ m$. The molar conductivity of the solution will be $........ \times 10^2 \ mS \ dm^2 \ mol^{-1}$. $(Nearest \ integer)$

The resistance of a conductivity cell of $0.1 \ M$ $KCl$ solution is $120 \ \Omega$ and conductivity is $1.64 \times 10^{-4} \ S \ cm^{-1}$. What is the value of cell constant (in $cm^{-1}$)?

Which of the following $M$ solutions of $KCl$ has the lowest value of specific conductivity?