How does the degree of ionization of a weak electrolyte vary with concentration ? Give exact relationship. What is this law called ?

How does the degree of ionization of a weak electrolyte vary with conc

1.	How does the degree of ionization of a weak electrolyte vary with concentration ? Give exact relationship. What is this law called ?
Answer» Solution :`alpha=sqrt(K_(i)//C)`. It is called OSTWALD's DILUTION law (`K_(i)` is ionization constant and C is molar CONCENTRATION of the eletrolyte).