Question

p{{K}_{a}}
values of two acids A and B are 4 and 5. The strengths of these two acids are related as [KCET 2001]
A) Acid A is 10 times stronger than acids B B) Strength of acid A: strength a of acid B=4:5 C) The strengths of the two acids can not be compared D) Acid B is 10 times stronger than acid A

Answer 1

Just take the sq root of the Ka values.. You will get the ratio as 10. That means acid A is 10 times more stronger than B