Q. Degree of dissociation of 0.1 N $CH_{3}COOH$ is (dissociation constant $= 1 \times 10^{- 5}$)
A) $10^{- 5}$
B) $10^{- 4}$
C) $10^{- 3}$
D) $10^{- 2}$
Explanation
(d)
$K_{a} = C\alpha^{2}$ and $\alpha = \sqrt{\frac{K_{a}}{C}}$
$\alpha = \sqrt{\frac{10^{- 5}}{10^{- 1}}} = 10^{- 2}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.