Equilibrium questions
1777 published questions with worked solutions.
- The correct relation for hydrolysis constant of NH₄CN is:
- If 1 M CH₃COONa is added to 1 M CH₃COOH:
- Solubility of an aqueous solution of Mg(OH)₂ is X mol litre⁻¹, then its Ksp is:
- The concentration of [H⁺] and concentration of [OH⁻] of a 0.1 M aqueous solution of 2% ionised weak acid is: [ionic product of...
- The pH of the solution produced when an aqueous solution of strong acid pH 5 is mixed with equal volume of an aqueous solution of...
- The solubility of AgCl (Ksp=1.2×10⁻¹⁰) in a 0.10 M NaCl solution is:
- If the dissociation constant of an acid HA is 1×10⁻⁵, the pH of a 0.1 M solution of the acid HA will be approximately:
- The polyprotic acid is:
- The dissociation constant of HCN is 1.3×10⁻⁹. The value of hydrolysis constant of KCN will be:
- The self ionisation constant for pure formic acid, K=[HCOOH₂⁺][HCOO⁻], has been estimated as 10⁻⁶ at 1.22 g/cm³. The percentage...
- In water, the acids HClO₄, HCl, H₂SO₄ and HNO₃ exhibit the same strength (as they are completely ionised in water, a base). This...
- The correct representation for the solubility product constant of Ag₂CrO₄ is:
- What is the pH of a 1 M CH₃COONa solution? Ka of acetic acid=1.8×10⁻⁵, Kw=10⁻¹⁴ mol²litre⁻²:
- The Henderson's equation used to calculate the pOH of a basic buffer is:
- Which of the following is a Bronsted acid as well as Bronsted base?
- Which is not an acid salt?
- A weak acid HX (Ka=1×10⁻⁵) on reaction with NaOH gives NaX. For a 0.1 M aqueous solution of NaX, the % hydrolysis is:
- The equivalent conductance of M/32 solution of a weak monobasic acid is 8.0 mhos cm² and at infinite dilution is 400 mhos cm²....
- The solution of AgCl is unsaturated if:
- When 10⁻⁸ mole of HCl is dissolved in one litre of water, the pH of the solution will be:
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