Equilibrium questions
1777 published questions with worked solutions.
- Water decomposes at 2300 K H_2O(g) H_2(g)+ 1 2 O_2(g) The percent of water decomposing at 2300 K and 1 bar is __________ (Nearest...
- Consider the following reaction approaching equilibrium at 27°C and 1 atm pressure A + B + D (k_f=10^3, k_r=10^2) The standard...
- Consider the following equation : 2SO_2(g)+O_2(g) 2SO_3(g), H = –190 kJ The number of factors which will increase the yield of...
- 600 mL of 0.01 M HCl is mixed with 400 mL of 0.01 M H_2SO_4. The pH of the mixture is ________ 10^ -2 . (Nearest integer) Given...
- The normal rain water is slightly acidic and its pH value is 5.6 because of which one of the following ?
- Incorrect statement for the use of indicators in acid-base titration is :
- At 298 K, the solubility of silver chloride in water is 1.434 10^ -3 g L^ -1 . The value of - K_ sp for silver chloride is...
- For reaction : SO_2(g)+ 1 2 O_2(g) SO_3(g) Kp = 2 10^ 12 at 27°C and 1 atm pressure. The K_c for the same reaction is...
- The value of _ 10 K for a reaction A ⇌ B is (Given : _rH^ _ 298K = -54.07 kJ mol⁻¹, _rS^ _ 298K = 10 J K⁻¹ mol⁻¹ and R = 8.314 J...
- Solubility product constants (K_ sp ) of salts of types MX, MX_2 and M_3X at temperature 'T' are 4.0 10^ -8 , 3.2 10^ -14 and 2.7...
- The dissociation constant of a substituted benzoic acid at 25 °C is 1.0 10^ -4 . The pH of a 0.01 M solution of its sodium salt is
- At 25 °C, the concentration of H⁺ ions in 1.00 10^ -3 M aqueous solution of a weak monobasic acid having acid dissociation...
- Change in volume of the system does not alter the number of moles in which of the following equilibria ?
- In which of the following reactions, increase in the volume at constant temperature does not affect the number of moles at...
- For the reaction CO(g) + (1/2)O_2(g) = CO_2(g), K_p/K_c is
- 1 M NaCl and 1 M HCl are present in an aqueous solution. The solution is
- Let the solubility of an aqueous solution of Mg(OH)_2 be x then its k_ sp is
- The solubility of Mg(OH)_2 is S moles/litre. The solubility product under the same condition is
- The correct relationship between free energy change in a reaction and the corresponding equilibrium constant K_c is
- For the reaction equilibrium N_2O_4(g) 2NO_2(g) the concentrations of N_2O_4 and NO_2 at equilibrium are 4.8 10^ -2 and 1.2 10^...
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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