Equilibrium questions
1777 published questions with worked solutions.
- For the reaction N_2(g)+3H_2(g) 2NH_3(g); H=-93.6 kJ mol^ -1 , the concentration of NH_3 at equilibrium can be increased by
- Consider the reaction equilibrium, 2SO_2(g)+O_2(g) 2SO_3(g); H^ =-198 kJ. On the basis of Le-Chatelier's principle, the condition...
- In the manufacture of ammonia by Haber's process, N_2(g)+3H_2 2NH_3(g)+92.3 kJ. Which of the following condition is unfavourable?...
- For the chemical reaction 3X(g)+Y(g) X_3Y(g), the amount of X_3Y at equilibrium is affected by [WB-JEE 2007]
- A weak monobasic acid is 1% ionised in 0.1 M solution at 25°C. The percentage of ionisation in its 0.025 M solution is
- Would gaseous HCl be considered as an Arrhenius acid? [UP SEE 2004]
- What is the conjugate acid of OH^-?
- HSO_4^-+OH^- SO_4^ 2- +H_2O. Which is correct about the conjugate acid-base pair? [OJEE 2004]
- The values of dissociation constant of bases are given below. Which is the weakest base? [MHT-CET 2005]
- Which one of the following species acts as both Bronsted acid and base? [MHT-CET 2008]
- The species among the following, which can act as an acid and a base is
- At a certain temperature, the dissociation constants of formic acid and acetic acid are 1.8 10^ -4 and 1.8 10^ -5 respectively....
- Three reactions involving H_2PO_4^- are given below: (i) H_3PO_4+H_2O H_3O^++H_2PO_4^- (ii) H_2PO_4^-+H_2O HPO_4^ 2- +H_3O^+...
- Which is Lewis acid?
- The strongest Bronsted base is
- For a concentrated solution of a weak electrolyte A_xB_y of concentration 'C', the degree of dissociation 'α' is given as [Kerala...
- Which is a Lewis base [BCECE 2005]
- The Ostwald dilution law is expressed as [Manipal 2004]
- Water is well known as amphoteric solvent. In which chemical reaction is water behaving as a base? [UP SEE 2009]
- Which of the following is not a conjugate acid-base pair? [EAMCET 2007]
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