Kohlrausch's law - molar conductivity vs concentration

2023 Manipur 1 question

1. Molar conductance of an electrolyte increase with dilution according to the equation: $\Lambda_m=\Lambda_m^\circ-A\sqrt{c}$. Which of the following statements are true? (A) This equation applies to both strong and weak electrolytes. (B) Value of the constant A depends upon the nature of the solvent. (C) Value of constant A is same for both $BaCl_2$ and $MgSO_4$. (D) Value of constant A is same for both $BaCl_2$ and $Mg(OH)_2$. Choose the most appropriate answer from the options given below: