Explain Kohlraush's law of independent migration of ions : 

Question

$\begin{array}{1 1} \text{(a) $\Lambda_0^{electrolytes} = 2\lambda_0^-$} \\ \text{(b) w$\Lambda_0^{electrolytes} = 2\lambda _0^+$}\\ \text{(c) $\Lambda_0^{electrolytes} = \lambda _0^+-\lambda_0^-$} \\\text{(d) $\Lambda_0^{electrolytes} = \lambda _0^++\lambda_0^-$}\end{array}$