CBSE Class 11 Ionization of Acids and Bases Worksheet A

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1. The dimethyl ammonium ion, (CH₃)₂ NH₂ ⁺, is a weak acid and ionizes to a slight degree in water what is its conjugate base?

2. If p^H of a solution is 7, calculate its p^OH value.

3. What happens to the pH if a few drops of acid are added to CH₃COONH₄ solution?

4. What is the concentration of H₃O⁺ and OH^- ions in water at 298K?

5. The degree of dissociation of N2O₄, N2O₄(g) ⇌2NO₂(g), at temperature T and total pressure is α. Find the expression for the equilibrium constant of this reaction at this temperature and pressure?

6. The p^ka of acetic acid and p^kb of ammonium hydroxide are 4.76 and 4.75 respectively. Calculate the p^H of ammonium acetate solution

7. A solution give the following colors with different indicators. Methyl orange – yellow, methyl red – yellow, and bromothymol blue Orange . what is the p^H of the solution?

8. Show that, in aqueous solutions

p^H + p^OH = p^kw

What is the value of p^H + p^OH at 25°c?

9. Calculate the pH of the solution 0.002 MHBr 

10. The concentration of H⁺ in a soft drink is 3.8 x 10^-3 M. what is its p^H?

Click on link below to download CBSE Class 11 Ionization of Acids and Bases Worksheet A.