Question

Find out the percentage dissociation of an acid having conc. of $\text{10}\text{M}$ and dissociation constant $1.0\times 10^{-3}$ .

• A. 0.1
• B. 0.5
• C. 1.0
• D. 2.0

Answer 1

Answer: (C)

$\alpha =\sqrt{\frac{10^{-3}}{10}}=10^{-2}$

$\%\alpha =10^{-2}\times 100=1\%$