List of top Chemistry Questions on Ionic Equilibrium

At \(298K\), a certain buffer solution contains equal concentrations of \(X^-\) and \(HX\). If \(K_b\) for \(X^-\) is \(10^{-10}\), what is the pH of this buffer solution?

A 0.02(M) NaOH solution and a 0.01(M) HCl solution are mixed in the volume ratio of 2:3. The pH of the mixed solution will be

At \(25^\circ \text{C}\), the ionic product of water is \(10^{-14}\). The free energy change (\(\Delta G^\circ\)) for the self-ionization of water in kcal mol\(^{-1}\) is:

Equal volumes of aqueous solution of 0.1 M HCl and 0.2 M H₂SO₄ are mixed. The concentration of H+ ions in the resulting solution is:

What will be the change in acidity if:
(i) CuSO₄ is added to saturated (NH₄)₂SO₄ solution,
(ii) SbF₅ is added to anhydrous HF?

Number of moles of ions produced by the complete dissociation of one mole of Mohr’s salt in water is:

pH of 10⁻⁸ M HCl solution is:

The degree of dissociation of acetic acid is:

Which of the following salts will give highest pH in water ?