Equilibrium questions
1777 published questions with worked solutions.
- The percent dissociation of weak monobasic acid is 3% in it's 0.02 M solution. What is the dissociation constant of acid?
- What is the normal pH of human blood?
- 2.8 g of KOH is dissolved in a 500 mL solution at 298 K. What is the p^H of solution ? (molar mass of KOH = 56 g/mol)
- The equilibrium constant for a reaction is 100. What will be the value of standard Gibbs energy change at 298 K ? (R = 8.314 J...
- What happens when solid Na_2CO_3 dissolved in water?
- Which of the following aqueous solution of salt have pH < 7 at 298 K?
- A weak base is 1.42% dissociated in its 0.05 M solution calculate its dissociation constant?
- What is the pH of 0.005 M NaOH solution?
- The solubility of is CaCO_3 is 7 10^ -5 , mol ,dm^ -3 at 25^ C . What is solubility product at same temperature?
- Which among the following is the conjugate base of HClO_4 ?
- What is of pH a centimolar solution of H_2SO_4 ?
- A buffer solution is prepared by mixing 0.01 M HCN and 0.02 M NaCN, if Ka for HCN is 6.6 10^ -10 What is the concentration of H^+...
- A monobasic acid is 5% dissociated in it's 0.02 M solution. Calculate the dissociation constant of acid ?
- Which of the following is a Lewis acid but not Bronsted acid?
- What is the p^H of 2 x 10^ -3 M solution of monoacidic weak base if it ionizes to the extent of 5%?
- A centimolar solution of weak acid is 1.3% dissociated at 298 K. What is it's dissociation constant?
- According to Bronsted - Lowry theory the acids in the following reaction are ClO_4^- + HCO_3^- HClO_4 + CO_3^ 2-
- What is the pH of solution containing H^+ ion concentration 2.5 10^ -3 mol ,dm^ -3 ? (given 2.5 = 0.3979)
- What is the solubility of AgCl_ (s) if it's solubility product is 1.6 10^ -10 ?
- A buffer solution is prepared by mixing 0.01 M weak acid and 0.05M solution of a salt of weak acid and strong base. What is the...
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