For two weak acids A and B, the ratio of their percent ionization is 4 : 9. The ratio of their Ka would be–

Options

A. 4:9
B. 2:3
C. 16:81
D. 3:2

Answer

C

Explanation

`K_a prop alpha^2`
`(K_(a_(1)))/(K_(a_2))=(4/9)^2=(16)/(81)`