Equilibrium questions
1777 published questions with worked solutions.
- The concentration of fluoroacetic acid (Ka of acid=2.6×10⁻³) which is required to get [H⁺]=1.50×10⁻³ M is:
- The pH of a 0.02 M solution of hydrochloric acid is:
- pH of K₂S solution is:
- HClO is a weak acid. The concentrations of [H⁺] ions in 0.1 M solution of HClO (Ka=5×10⁻⁸) will be equal to:
- Which is not amphoteric?
- Tribasic acid furnishes ... type(s) of anions.
- The pH of the solution obtained by mixing 10 mL of 10⁻¹ N HCl and 10 mL of 10⁻¹ N NaOH is:
- If the solubility of Ca(OH)₂ is √3, the solubility product of Ca(OH)₂ is:
- The degree of dissociation of CH₃COOH is influenced by:
- The resultant pH of a solution on mixing 200 mL of an aqueous solution of HCl (pH=2.0) with 300 mL of an aqueous solution of NaOH...
- The range of pH in which methyl orange works as indicator:
- A monoprotic acid in 0.1 M solution has Ka=1.0×10⁻⁵. The degree of dissociation of acid is:
- The salt that does not hydrolyse, is:
- The indicator used in the titration of sodium carbonate with sulphuric acid is:
- The dissociation constant of NH₄OH is 1.8×10⁻⁵. The hydrolysis constant of NH₄Cl would be:
- Ostwald's dilution law is applicable in the case of the solution of:
- Ksp of AgCl at 18°C is 1.8×10⁻¹⁰. If Ag⁺ of sodium is 4×10⁻³ mol/litre the Cl⁻ that must exceed before AgCl is precipitated would...
- A solution of pH 8 is ... basic than a solution of pH 12.
- The relation for calculating pH of a solution containing weak acid and its salt is:
- The correct statement about buffer solution is:
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