Equilibrium questions
1777 published questions with worked solutions.
- Ksp for AgCl in water at 25°C is 1.8×10⁻¹⁰. If 10⁻⁵ mol of Ag⁺ ions are added to this solution. Ksp will be:
- 0.04 g of pure NaOH is dissolved in 10 litre of distilled water. The pH of the solution is:
- If the salts M₂X, QY₂ and PZ₃ have the same solubilities, Ksp values are related as:
- If the solubility of lithium sodium hexafluoroaluminate, Li₃Na₃(AlF₆)₂ is 'a' mol/litre, its solubility product is equal to:
- The conjugate acid of CO₃²⁻ is:
- The pH of solution, whose hydrogen ion concentration is one mole per litre, will be:
- The degree of dissociation of a weak acid is 1.34% at 0.1 M concentration. Its dissociation constant is:
- Given, HF+H₂O→(Ka)H₃O⁺+F⁻, F⁻+H₂O→(Kb)HF+OH⁻. Which relation is correct?
- A solution of sodium borate has a pH of approximately:
- If the pOH of a solution is 6.0, then pH is:
- For preparing a buffer solution of pH 6 by mixing sodium acetate and acetic acid, the ratio of concentration of salt and acid...
- If the pH of a solution is 2, its normality will be:
- Which of the following is least soluble?
- The common ion effect is shown by which of the following sets of solutions?
- The Bronsted acid which gives the weakest conjugate base is:
- The conjugate base of H₂SO₄ in the following reaction is: H₂SO₄+H₂O⇌H₃O⁺+HSO₄⁻
- Phenolphthalein shows ... in acid medium.
- When different types of salts have nearly same solubility product constant Ksp but less than one, the most soluble salt is that:
- Number of H⁺ ions present in 10 mL of a solution of pH=3 is:
- Which species acts as stronger acid than formic acid in aqueous solution?
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