Equilibrium questions
1777 published questions with worked solutions.
- A 20 litre container at 400 K contains CO_2(g) at pressure 0.4 atm and excess SrO (neglect the volume of solid SrO). The volume...
- Consider the following equilibrium reaction: AB(s) A(g)+B(g); K_p=144. Total pressure at equilibrium is 'x' times the pressure of...
- At a particular temperature, the vapor pressure of water kept in a closed vessel is found to be 0.4 atm: H_2O(l) H_2O(g). What is...
- The pH of 0.01 M HCOOH will be ________. [Given: K_a =1.18 10^ -2 , _ 10 (1.18)=0.0719]
- M[OH]_x is a sparingly soluble salt. It has K_ sp =4 10^ -12 and solubility =10^ -4 M at 298 K. What is the value of x?
- How many of the following salt(s) do NOT undergo hydrolysis? NaNO_3, NH_4HCO_3, CuSO_4, KCN, CH_3COONa, K_2SO_4
- How many of the following salt(s) form a basic solution when dissolved in water? (NH_4)_2SO_4, KCl, CH_3COONa, FeCl_3, NaBr,...
- For the following reaction: A_2(g)+B_2(g) X_2(g); _rH=-x kJ (exothermic). How many of the following conditions will shift the...
- 20 mL of 0.1 M acetic acid is taken in a beaker. To this, 10 mL of 0.1 M NaOH solution is mixed. The pH of the resulting solution...
- A solution having pOH=4 is diluted 1000 times. The pH of the resulting solution will be ________.
- Two solutions are mixed as given below: 55 mL M 10 HCl + 45 mL M 10 NaOH. What is the pH of the resulting solution?
- The equilibrium concentrations of A, B and C for the reaction A(g) B(g)+C(g) are 4.6 M, 2.3 M and 2.3 M respectively at 280 K....
- At 100°C, the K_w of water is 55 times its value at 25°C. What will be the pH of water at 100°C? [ _ 10 55=1.74]
- The concentration of sodium acetate which should be added to 0.1 M solution of acetic acid [pK_a=4.7] to give a solution of...
- A saturated solution of Ca_3(PO_4)_2 contains 2 10^ -8 M Ca^ 2+ ions and 1.6 10^ -5 M PO_4^ 3- ions at a particular temperature....
- A good indicator must possess the following characteristics:
- Which one of the following is called amphoteric solvent? [UP SEE 2004]
- K_a of H_2O_2 is of the order of
- Ionic product, [ H ^+][ HO _2^-] of H_2O_2 was found to be 1 10^ -12 at a given temperature. Thus, pH of H_2O_2 is …….
- K_a for H_2O_2 is of the order of:
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