Equilibrium questions
1777 published questions with worked solutions.
- Kb for the hydrolysis reaction, B⁺+H₂O⇌BOH+H⁺, is 1.0×10⁻⁶, the hydrolysis constant of the salt is:
- The pH of a solution formed by mixing 40 mL of 0.10 M HCl and 10 mL of 0.45 M NaOH is:
- Which acts both as Lowry-Bronsted acid and base?
- The ionic product of water at 60°C is 9.61×10⁻¹⁴. The pH of water at 60°C is:
- For a polyprotic acid say H₃PO₄, its three dissociation constant K₁, K₂ and K₃ are in the order:
- The equivalent conductance of 0.1 N acetic acid is 5 cm²ohm⁻¹eq⁻¹ at 298 K, while λ∞ is 390 cm²ohm⁻¹eq⁻¹. The degree of...
- The solubility of a saturated solution of calcium fluoride is 2×10⁻⁴ moles per litre. Its solubility product is:
- The solubility of AgCl is 0.0015 g/litre. The solubility product of AgCl will be:
- pH of 0.1 M Na₂HPO₄ and 0.2 M NaH₂PO₄ solutions are respectively. pKa for H₃PO₄ are 2.12, 7.21 and 12.0 for respective...
- The [H₃O⁺] in rain water of pH=4.35 is:
- The hydrogen ion concentration in a solution of weak acid of dissociation constant Ka and concentration c is nearly equal to:
- The conjugate acid of HPO₄²⁻ is:
- The pH of a solution is 5. Its H⁺ ion concentration is decreased by 100 times. The nature of the solution becomes:
- An aqueous solution of 0.1 M NH₄Cl will have a pH closer to:
- The hydrolysis of the salt of strong acid and weak base is called:
- When the pH of a solution is 2, the hydrogen ion concentration is:
- Ksp=1.2×10⁻⁵ of M₂SO₄ (M⁺ is monovalent metal ion) at 298 K. The maximum concentration of M⁺ ions that could be attained in a...
- Soda water has a pH value:
- The use of methyl orange as an indicator in the volumetric determination of the equivalent weight of a weak acid would lead to:
- Mg(OH)Cl is an example of:
Other chapters
Alcohols, Phenols and EthersAldehydes, Ketones and Carboxylic AcidsAlternating CurrentAminesAnatomy of Flowering PlantsAncient Indian HistoryAnimal KingdomApplication of DerivativesArea Under CurveAromatic Compounds and Aryl HalidesAtomsBasic Mathematics and LogarithmBinomial TheoremBiodiversity and ConservationBiological ClassificationBiomoleculesBiotechnology and Its ApplicationsBiotechnology: Principles and ProcessesBody Fluids and CirculationBreathing and Exchange of GasesCell Cycle and Cell DivisionCell: The Unit of LifeChemical Bonding and Molecular StructureChemical Coordination and Integration