Equilibrium questions
1777 published questions with worked solutions.
- For the following reaction, the equilibrium constant K_c at 298 K is 1.6 10^ 17 . Fe^ 2+ (aq)+ S^ 2- (aq) FeS (s) When equal...
- Which one of the following gives the highest amount of hydrogen ions (H^+) ?
- The pH value of Milk of Magnesia is approximately
- Consider the following statement : "Acids are substances that dissociate in water to give hydrogen ions H^+ (aq), and bases are...
- In a dry test tube, 2 mL of HCl (0·1 N) is taken. To this, 4 mL of NaOH (0·1 N) is added. The solution is stirred well, followed...
- An acidified solution of 0.05 M Zn ^ 2+ is saturated with 0.1 M H _2 S . What is the minimum molar concentration (M) of H ^+...
- A solution is prepared by mixing 0.01 mol each of H _2 CO _3, NaHCO _3, Na _2 CO _3, and NaOH in 100 mL of water. pH of the...
- Concentration of H _2 SO _4 and Na _2 SO _4 in a solution is 1 M and 1.8 10^ -2 M, respectively. Molar solubility of PbSO _4 in...
- On decreasing the pH from 7 to 2, the solubility of a sparingly soluble salt (MX) of a weak acid (HX) increased from 10^ -4 mol...
- At 310 K, the solubility of CaF_ 2 in water is 2.34 10^ -3 g/100 mL. The solubility product of CaF_ 2 is _____ 10^ -8 (mol/L)^ 3...
- pH value of 0.001 M NaOH solution is _____.
- 2NOCl(g) 2NO(g) + Cl_ 2 (g) In an experiment, 2.0 moles of NOCl was placed in a one-litre flask and the concentration of NO after...
- At 600 K, 2 mol of NO are mixed with 1 mol of O_ 2 . 2NO(g) + O_ 2 (g) 2NO_ 2 (g). The reaction occurring as above comes to...
- K_a for butyric acid (C_ 3 H_ 7 COOH) is 2 10^ -5 . The pH of 0.2 M solution of butyric acid is _____ 10^ -1 . (Nearest integer)...
- A student needs to prepare a buffer solution of propanoic acid and its sodium salt with pH 4. The ratio of [CH_ 3 CH_ 2 COO^ -...
- 200 mL of 0.01 M HCl is mixed with 400 mL of 0.01M H_ 2 SO_ 4 . The pH of the mixture is _____.
- A compound 'X' is a weak acid and it exhibits colour change at pH close to the equivalence point during neutralization of NaOH...
- If the solubility product of PbS is 8 10^ -28 , then the solubility of PbS in pure water at 298 K is x 10^ -16 mol L^ -1 . The...
- 4.0 moles of argon and 5.0 moles of PCl_ 5 are introduced into an evacuated flask of 100 litre capacity at 610 K. The system is...
- The solubility of AgCl will be maximum in which of the following?
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