1.

For a weak acid HA of concentration C(mol l^-1) and degree of dissociation (alpha), Ostwald's dilution law is represented by the equation

Answer»

`K_a=(C^2alpha)/(1-alpha)`
`K_a=(alpha^2C)/(1-alpha)`
`K_a= CALPHA`
`K_a= (Calpha^2)/(1-alpha^2)`

ANSWER :B


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