Derive the relation $\mathrm{pH}+\mathrm{p} \mathrm{OH}=14$.

Important Questions on Ionic Equilibria

EASY

12th Maharashtra Board

IMPORTANT

Chemistry Standard 12>Chapter 3 - Ionic Equilibria>Exercises>Q 3

Aqueous solution of sodium carbonate is alkaline whereas aqueous solution of ammonium chloride is acidic. Explain.

MEDIUM

12th Maharashtra Board

IMPORTANT

Chemistry Standard 12>Chapter 3 - Ionic Equilibria>Exercises>Q 3

$\mathrm{pH}$ of a weak monobasic acid is $3.2$ in its $0.02 \mathrm{M}$ solution. Calculate its dissociation constant.

EASY

12th Maharashtra Board

IMPORTANT

Chemistry Standard 12>Chapter 3 - Ionic Equilibria>Exercises>Q 3

In $\mathrm{NaOH}$ solution $\left[{\mathrm{OH}}^{-}\right]$ is $2.87\times {10}^{-4} \mathrm{M}$. Calculate the $\mathrm{pH}$ of solution.

EASY

12th Maharashtra Board

IMPORTANT

Chemistry Standard 12>Chapter 3 - Ionic Equilibria>Exercises>Q 4

Define degree of dissociation. Derive Ostwald's dilution law for the ${\mathrm{CH}}_3\mathrm{COOH}$.

MEDIUM

12th Maharashtra Board

IMPORTANT

Chemistry Standard 12>Chapter 3 - Ionic Equilibria>Exercises>Q 4

Define $\mathrm{pH}$ and $\mathrm{pOH}$. Derive relationship between $\mathrm{pH}$ and $\mathrm{pOH}$.

EASY

12th Maharashtra Board

IMPORTANT

Chemistry Standard 12>Chapter 3 - Ionic Equilibria>Exercises>Q 4

What is meant by hydrolysis? A solution of ${\mathrm{CH}}_3{\mathrm{COONH}}_4$ is neutral, why?

MEDIUM

12th Maharashtra Board

IMPORTANT

Chemistry Standard 12>Chapter 3 - Ionic Equilibria>Exercises>Q 4

Dissociation of $\mathrm{HCN}$ is suppressed by the addition of $\mathrm{HCl}$. Explain.

HARD

12th Maharashtra Board

IMPORTANT

Chemistry Standard 12>Chapter 3 - Ionic Equilibria>Exercises>Q 4

Derive the relationship between degree of dissociation and dissociation constant in weak electrolytes.