Equilibrium questions
1777 published questions with worked solutions.
- A weak base is 1.3% dissociated in its aqueous solution. If K_b for weak base is 1.69 10^ -5 at 298 K. Find the concentration of...
- van't Hoff factor for BaCl_2 is 2.47, calculate the percentage dissociation in its aqueous solution.
- Identify from following, the relation between standard free energy change in a reaction and equilibrium constant K_c
- Which among the following salts turns red litmus blue in its aqueous solution?
- 4 gram of NaOH is added in water to form 500 mL solution at 298 K. What is pH of solution? (Molar mass of NaOH=40 g mol^ -1 )
- The solubility of salt BA_2 is 4 10^ -4 mol dm^ -3 . What is solubility product of the salt?
- Solubility of Ca_3(PO_4)_2 is 'S' mol ,dm^ -3 . Find solubility product
- The solubility of AgBr is 7.1 10^ -7 mol ,dm^ -3 . Calculate its solubility product at the same temperature.
- What is the pH of buffer solution formed by mixing 0.01 M acetic acid and 0.05 M sodium acetate ( pK_a = 4.7447)
- What is the pH of 1 molar HCl solution ? (assume complete dissociation)
- Calculate the pH of buffer solution containing 0.1 M CH_3COOH and 0.1 M CH_3COONa [K_a = 1.8 10^ -5 ]
- There are two different solutions, A and B. The pH of solution A is 4. Find the pH of solution B having [H^+] three times that of...
- A weak monobasic acid is 4 % dissociated in 0.05 M solution. What is percent dissociation in 0.1 M solution?
- Calculate the pOH of 0.01 M monobasic acid that is completely dissociated, at 298 K.
- Which from following formulae is used to find the [ OH^- ] ion concentration of a weak monoacidic base ?
- A monobasic weak acid dissociates to 1.2% in its 0.01 M solution at 298 K. Calculate dissociation constant of it.
- The solubility of calcium carbonate at 298 K is 6.4 10^ -5 mol ,dm^ -3 . Calculate the value of solubility product at the same...
- Which of the following is Lewis base ?
- The solubility product of PbI_2 is 1.08 10^ -7 . Calculate its solubility in mol dm^ -3 at 298 K?
- What is the value of pH of a NaOH solution that dissociates 2% in its 0.01 M solution?
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