Which of the following Ka values, represents the strongest acid?

Question

Which of the following Ka values, represents the strongest acid? (A)  10-4  (B)  10-8  (C)  10-5  (D)  10-2

Tardigrade Admin · Accepted Answer

Larger the Ka (dissociation constant) of an acid, more will be the H+ ions produced, hence, stronger will be the acid. Hence, Ka=10-2 represents the strongest acid.

Q. Which of the following $K_{a}$ values, represents the strongest acid?

$10^{- 4}$

$10^{- 8}$

$10^{- 5}$

$10^{- 2}$

Larger the $K_{a}$ (dissociation constant) of an acid, more will be the $H^{+}$ ions produced, hence, stronger will be the acid. Hence, $K_{a} = 10^{- 2}$ represents the strongest acid.

Q. Which of the following Ka​ values, represents the strongest acid?

10−4

10−8

10−5

10−2