Equilibrium questions
1777 published questions with worked solutions.
- The pH of a solution obtained by mixing 50 mL of 1 N HCl and 30 mL of 1 N NaOH is [log 2.5 = 0.3979]
- pH of an aqueous solution containing 10^ -8 mol/L of HCl is
- An aqueous solution in which the H^+ ion concentration is greater than 10^ -7 M is said to be [OJEE 2003]
- 10^ -6 M NaOH is diluted 100 times. The pH of the diluted base is [Manipal 2009]
- The pH of an aqueous solution containing [H^+] concentration =3.0 10^ -3 M. The pH of the solution is [MP PET 2004]
- A weak acid HX has dissociation constant 10^ -5 . The pH of 0.1 M solution of this acid will be
- 20 mL of 0.5 N HCl and 35 mL of 0.1 N NaOH are mixed. The resulting solution will [K CET 2005]
- The pH of a 0.1 M solution of NH_4OH (having K_b=1.0 10^ -5 ) is equal to
- 50 mL of H_2O is added to 50 mL of 1 10^ -3 M barium hydroxide solution. What is the pH of the resulting solution?
- Which one of the following statement is not true? (Assume complete dissociation in each case) [DCE 2003]
- 100 mL of 0.01 M solution of NaOH is diluted to 1 dm^3. What is the pH of the diluted solution?
- Which solution has pH equal to 10? [Manipal 2006]
- 100 mL of 0.015 M HCl solution is mixed with 100 mL of 0.005 M HCl. What is the pH of the resultant solution?
- What will be the pH value of 0.05 M Ba(OH)_2 solution?
- 0.365 g of HCl gas was passed through 100 cm^3 of 0.2 M NaOH solution. The pH of the resulting solution would be
- The pH value of an acid is 5 and its concentration is 1 M. What is the value of K_a for the acid?
- Which of the following K_a values represents the strongest acid?
- 0.023 g of sodium metal is reacted with 100 cm^3 of water. The pH of the resulting solution is
- If pK_a values of four acids are given below at 25°C, the strongest acid is
- An acid HA ionises as, HA H^++A^-. The pH of 1.0 M solution is 5. Its dissociation constant would 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