Equilibrium questions
1777 published questions with worked solutions.
- What is the pH value of heavy water at 25°C?
- A sample of water has a hardness of 200 ppm Ca^ 2+ . This water sample was passed through an ion-exchange resin column and the...
- Which pair cannot exist together in solution? [UP SEE 2003]
- Microcosmic salt has the formula:
- Sodium carbonate solution in water is alkaline due to:
- Which will react with both acids and alkalis (i.e., is amphoteric)?
- B(OH)_3 + NaOH Na^+[B(OH)_4]^- How can this reaction be made to proceed in the forward direction? [IIT JEE 2006]
- In the following, equilibrium partial pressures of NH_3, N_2 and H_2 gases are 4, 1 and 2 atm respectively at 300 K. What is the...
- CaCO_3(s) CaO(s) + CO_2(g), K = 10^ -9 at 300 K. What is pCO_2?
- In the hydrolysis of borax, Na_2B_4O_7 + 7H_2O 2Na[B(OH)_4] + 2B(OH)_3, the products formed are to be neutralized by HCl. The...
- BF_3 acts as an acid according to:
- The strongest base among the following is
- Which of the following, dissolved in water, gives a solution with pH greater than 7?
- A fertile soil is likely to have a pH of:
- Calculate the normality of 250 mL aqueous solution of H_2SO_4 having pH =0.00.
- One gram of silver gets distributed between 10 cm^3 of molten zinc and 100 cm^3 of molten lead at 800°C. This distribution of...
- Statement 1: The difference in the boiling points of equimolal solutions of HCl and HF decreases as their molarity is decreased....
- To form a super saturated solution of a salt one must:
- A super saturated solution is a metastable state of solution in which solute concentration:
- At a suitable pressure near the freezing point of ice, there exists:
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