Equilibrium questions
1777 published questions with worked solutions.
- The solubility in water of a sparingly soluble salt AB₂ is 1.0×10⁻⁵ mol/litre. Its solubility product is:
- In 100 mL of an aqueous HCl of pH 1.0, 900 mL of distilled water is added, the pH of the resultant solution becomes:
- The blood buffers are most often involved in stabilizing the pH in presence of metabolically produced:
- 50% neutralization of a solution of formic acid (Ka=2×10⁻⁴) with NaOH would result in a solution having a hydrogen ion...
- Which is a basic salt?
- Which of the following is a strong acid?
- 18 mL of mixture of acetic acid and sodium acetate required 6 mL of 0.1 M NaOH for neutralization of the acid and 12 mL of 0.1 M...
- Ksp for sodium chloride is 36 mol²/litre². The solubility of sodium chloride is:
- In a mixture of CH₃COOH and CH₃COONa, the ratio of salt to acid concentration is increased by ten folds. The pH of the solution...
- A solution is called saturated if:
- Which would decrease the pH of 25 cm³ of a 0.01 M solution of hydrochloric acid?
- The solubility product of a salt AB₂ is 4×10⁻⁹ at 373 K. The solubility of AB₂ in boiling water will be:
- When 1.0 mL of dil. HCl acid is added to 100 mL of a buffer solution of pH 4.0, the pH of the solution:
- A certain ion B⁻ has an Arrhenius constant for basic character (eq. constant 2.8×10⁻⁷). The equilibrium constant for...
- If the concentration of CrO₄²⁻ ion in a saturated solution of silver chromate be 2×10⁻⁴ M, solubility product of silver chromate...
- The volume of water needed to dissolve 1 g of BaSO₄ (Ksp=1.1×10⁻¹⁰) at 25°C is:
- Which equilibrium can be described as a Lewis acid-base reaction but not Bronsted acid-base reaction?
- The pH of blood is:
- From separate solutions of four sodium salts NaW, NaX, NaY and NaZ had pH 7.0, 9.0, 10.0 and 11.0 respectively. When each...
- pH of a solution of the mixture of 0.1 N HCl and 0.1 N CH₃COOH 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