Equilibrium questions
1777 published questions with worked solutions.
- 1.2 mL of acetic acid is dissolved in water to make 2.0 L of solution. The depression in freezing point observed for this...
- The solubility of barium iodate in an aqueous solution prepared by mixing 200 mL of 0.010 M barium nitrate with 100 mL of 0.10 M...
- For a concentrated solution of a weak electrolyte (K_ eq = equilibrium constant) A_2B_3 of concentration 'c', the degree of...
- The solubility product of BaSO_4 is 1 10^ -10 at 298 K. The solubility of BaSO_4 in 0.1 M K_2SO_4(aq) solution is _________ 10^...
- A(g) 2B(g) + C(g) For the given reaction, if the initial pressure is 450 mm Hg and the pressure at time t is 720 mm Hg at a...
- The number of correct statement/s involving equilibria in physical processes from the following is _________ (A) Equilibrium is...
- 4.5 moles each of hydrogen and iodine is heated in a sealed ten litre vessel. At equilibrium, 3 moles of HI were found. The...
- 25 mL of silver nitrate solution (1M) is added dropwise to 25 mL of potassium iodide (1.05 M) solution. The ion(s) present in...
- A mixture of 1 mole of H_2O and 1 mole of CO is taken in a 10 litre container and heated to 725 K. At equilibrium 40% of water by...
- An analyst wants to convert 1 L HCl of pH = 1 to a solution of HCl of pH 2. The volume of water needed to do this dilution is...
- 20 mL of 0.1 M NaOH is added to 50 mL of 0.1 M acetic acid solution. The pH of the resulting solution is _______ 10^ -2 ....
- 25.0 mL of 0.050 M Ba(NO_3)_2 is mixed with 25.0 mL of 0.020 M NaF. K_ sp of BaF_2 is 0.5 10^ -6 at 298 K. The ratio of [Ba^ 2+...
- Which of the following statement(s) is/are correct ? (A) The pH of 1 10^ -8 M HCl solution is 8 (B) The conjugate base of...
- If the pKa of lactic acid is 5, then the pH of 0.005 M calcium lactate solution at 25° C is _____ 10^ -1 (Nearest integer)
- The dissociation constant of acetic acid is x 10^ -5 . When 25 mL of 0.2 M CH_3COONa solution is mixed with 25 mL of 0.02 M...
- When the hydrogen ion concentration [H^+] changes by a factor of 1000, the value of pH of the solution __________
- A litre of buffer solution contains 0.1 mole of each of NH_3 and NH_4Cl. On the addition of 0.02 mole of HCl by dissolving...
- At 298 K N_2(g)+3H_2(g) 2NH_3(g), K_1=4 10^5 N_2(g)+O_2(g) 2NO(g), K_2=1.6 10^ 12 H_2(g)+ 1 2 O_2(g) H_2O(g), K_3=1.0 10^ -13...
- Millimoles of calcium hydroxide required to produce 100 mL of the aqueous solution of pH 12 is x 10^ -1 . The value of x is...
- Solid Lead nitrate is dissolved in 1 litre of water. The solution was found to boil at 100.15°C. When 0.2 mol of NaCl is added to...
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