Equilibrium questions
1777 published questions with worked solutions.
- Identify conjugate acid-base pair from following equilibrium reaction. HSO_3^-(aq) + H_3O^+(aq) H_2SO_3 + H_2O
- A weak monoacidic base dissociates to 1.5% in 0.001 M solution at 298 K. Calculate the dissociation constant of weak base.
- The solubility product of NiS is 4.9 10^ -5 at 298 K. Calculate its solubility in mol dm^ -3 at the same temperature?
- Identify the conjugate acid-base pair respectively from following equilibrium reaction. HPO_ 4(aq) ^ 2- + H_2O( ) PO_ 4(aq) ^ 3-...
- The solubility of sparingly soluble salt AX_2 is 1 10^ -4 mol dm^ -3 at 298 K. Calculate its solubility product?
- Calculate the value of dissociation constant of weak monoacidic base if it dissociates to 2% in 0.1 M solution?
- The pH of monoacidic base is 10. Calculate its percentage dissociation in 0.01 M solution at 298 K?
- Calculate the equilibrium concentration of Pb^ ++ ions in a solution of PbS containing 1 10^ -11 mol dm^ -3 of sulphide ions...
- A weak base is 5% dissociated in its 0.01 M solution. Calculate the dissociation constant.
- Solubility of binary sparingly soluble salt is 1.12 10^ -4 g/dm^3. Calculate its solubility product (molar mass of salt = 112 g...
- Calculate the pH of centimolar solution of monoacidic weak base. Which is 10% dissociated in its aqueous solution?
- A monobasic weak acid dissociates 2% in its 0.002 M solution. Calculate the dissociation constant of weak acid.
- Which among the following salts forms basic solution when dissolved in water?
- The solubility product of the sparingly soluble salt AB_2 is 2.56 x 10^ -10 at 298 K. Calculate its solubility in mol dm^ -3 at...
- Calculate the value of dissociation constant of weak acid, which dissociates to 0.01% in its 0.1 M solution?
- What is pH of weak dibasic acid, that is 2% dissociated in its M/100 solution at 298 K?
- The solubility product of salt B_2A is 3.2 10^ -11 at 298 K. What is solubility of the salt at same temperature?
- Which among the following salts turns red litmus blue in its aqueous solution?
- The solubility product of AgBr is 4.9 10^ -13 at a certain temperature. Calculate the solubility.
- Dissociation constant of 0.01 M weak acid is 10^ -4 . What is percent dissociation of acid?
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