- [Medium]For the reaction PCl₅(g) ⇌ PCl₃(g) + Cl₂(g), the relationship between Kp and Kc is:...
- [Medium]At 500 K, for the reaction PCl₅(g) ⇌ PCl₃(g) + Cl₂(g), if the degree of dissociation is 0.4 and initial concentration of PCl₅ is 1 M, the value of Kc ...
- [Medium]For a weak acid HA with Ka = 4 × 10⁻⁵ and concentration 0.1 M, the degree of ionization is approximately:...
- [Medium]In a solution containing both AgCl and AgBr, if Ksp(AgCl) = 10⁻¹⁰ and Ksp(AgBr) = 10⁻¹³, which compound will precipitate first when Ag⁺ ions are added...
- [Easy]The conjugate base of H₂PO₄⁻ is:...
- [Easy]Phenolphthalein is a suitable indicator for titration between:...
- [Easy]An aqueous solution of NH₄Cl is:...
- [Medium]According to Ostwald's dilution law, the degree of dissociation of a weak electrolyte is:...
- [Easy]The pH of a 0.01 M solution of HCl is:...
- [Easy]The solubility of AgCl decreases in the presence of:...
- [Medium]The solubility product of AgCl at 298 K is 1.0 × 10⁻¹⁰. The solubility of AgCl in water is:...
- [Easy]A buffer solution is prepared by mixing 0.1 M CH₃COOH and 0.1 M CH₃COONa. If Ka for acetic acid is 1.8 × 10⁻⁵, the pH of the buffer is:...
- [Easy]At 25°C, the ionic product of water (Kw) is 1.0 × 10⁻¹⁴. The pH of pure water at this temperature is:...
- [Medium]For the exothermic reaction N₂(g) + 3H₂(g) ⇌ 2NH₃(g), which change will shift the equilibrium to the right?...
- [Easy]For the reaction N₂(g) + 3H₂(g) ⇌ 2NH₃(g), the expression for equilibrium constant Kc is:...