List of top Chemistry Questions on Ionic Equilibrium In Solution

Identify conjugate acid and conjugate base for \( HCO_3^- \) ion respectively:

Identify \(Base_2\) for the following equation according to Brønsted-Lowry theory:
\( HCl(aq) + H_2O(l) \rightleftharpoons H_3O^+(aq) + Cl^-(aq) \)

What is the pH of \(2 \times 10^{-3}\ \text{M}\) solution of a monacidic weak base if it ionises to the extent of \(5\%\)?

Calculate the pH of \(0.01\ \text{M}\) strong dibasic acid.

The solubility product of \(PbCl_2\) at \(298\ \text{K}\) is \(3.2 \times 10^{-5}\). What is its solubility in \(\text{mol dm}^{-3}\)?

Calculate the solubility in \(\text{mol dm}^{-3}\) of sparingly soluble salt BaBr if its solubility product is \(4.9 \times 10^{-13}\) at the same temperature.

The solubility product of AgBr is \(4.9 \times 10^{-13}\) at a certain temperature. Calculate the molar solubility of AgBr.

Find the concentration of sodium acetate when added to \(0.1\ \text{M}\) solution of acetic acid to form a buffer solution of \(pH = 5.5\). (Given: \(pK_a\) of \(\text{CH}_3\text{COOH} = 4.5\))

Calculate the pH of a \(0.001\,M\) \(NaOH\) solution at \(298\,K\).

At $30^\circ\text{C}$ the solubility of $\text{PbI}_2$ salt in $2\text{ M KI}$ solution will be X, if the solubility product of $\text{PbI}_2$ at $30^\circ\text{C}$ is $4\times10^{-9}$. Identify the value of X.

pH of a neutral solution at 25°C is: ____.

The pH of 0.001 M HCl solution is

Calculate the pH of 0.01 M sulphuric acid.

What is the pH of a weak dibasic acid that is 2% dissociated in its M/100 solution at 298 K?

Calculate the pH of 0.02 M monobasic acid having 2% dissociation.

Identify $\text{base}_2$ for the following equation according to Br\o{}nsted--Lowry theory: \[HCl_{(aq)} + H_2O_{(l)} \rightleftharpoons H_3O^+_{(aq)} + Cl^-_{(aq)}\]}

What is the pH of $2 \times 10^{-3}$ M solution of monoacidic weak base if it ionises to the extent of 5%?

The solubility product of \(\mathrm{AgBr}\) is \(4.9\times10^{-13}\) at a certain temperature. Calculate the solubility.

Identify conjugate acid and conjugate base for \(\mathrm{HCO_3^-}\) ion respectively.

How many degrees of freedom are there at the triple point in a one-component system?

Which of the following is a weak electrolyte?

According to Arrhenius theory of acids and bases, which of the following is an example of Arrhenius base?

The exhausted anion-exchange resin is regenerated with

Electrolysis of an aqueous solution of \(Na_2SO_4\) between Pt electrodes liberates a gas \(X\) at anode and gas \(Y\) at cathode. \(X\) and \(Y\) respectively are

\(100\ \text{mL}\) of \(0.1M\ HCl\) and \(100\ \text{mL}\) of \(0.05M\ H_2SO_4\) are mixed and the solution is diluted to \(2.0\ L\) by adding water. The pH of the resulting solution is