14 JEE Main 2026 Ionic Equilibrium previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2026 previous-year questions from the Ionic Equilibrium chapter of Chemistry. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Ionic Equilibrium chapter hub.
The solubility product constants of Ag₂CrO₄ and AgBr are 32x and 4y respectively at 298 K. The value of (molarity of Ag…
The first and second ionization constants of H₂ X are 2.5 × 10⁻⁸ and 1.0 × 10⁻¹³ respectively. The concentration of X²⁻…
Consider the dissociation equilibrium of the following weak acid HA H⁺(aq)+A⁻(aq) If the pKa of the acid is 4, then the…
The first and second ionization constants of a weak dibasic acid H₂ A are 8.1 × 10⁻⁸ and 1.0 × 10⁻¹³ respectively. 0.1…
Which of the following mixture gives a buffer solution with pH=9.25 ? Given : pKb (NH₄ OH )=4.75
M₃ A₂ is a sparingly soluble salt of molar mass y g mol⁻¹ and solubility x g L⁻¹. The ratio of the molar concentration…
Given is a concentrated solution of a weak electrolyte AxBy of concentration 'c' and dissociation constant 'K'. The deg…
Consider a weak base ' B ' of pKb=5.699. ' x ' mL of 0.02 M HCl and ' y ' mL of 0.02 M weak base ' B ' are mixed to mak…
At 25°C, 20.0 mL of 0.2 M weak monoprotic acid HX is titrated against 0.2 M NaOH. The pH of the solution (a) at the sta…
The pH of a solution obtained by mixing 5 mL of 0.1 M NH₄OH solution with 250 mL of 0.1 M NH₄Cl solution is _____ × 10⁻…
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