Q. Select the $pK_{a}$ value of the strongest acid from the following
A) 1.0
B) 3.0
C) 2.0
D) 4.5
Explanation
(a)
The acid is called strong acid when it ionise up to great extent
$i.e$., if its $K_{a}$ value is large.
We know that $pK_{a} = \log\frac{1}{K_{a}}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.