Home

Dissociation constant of 0.01 M HCN is 4 x10-10. The H- concentration in the solution is

A. 3×10-6 mole lit-1

B. 2×10-6 mole lit-1

C. 5×10-10 mole lit-1

D. 5×10-8mole lit-1

You can do it
  1. For the reversible reactionN2g+3H2g=2NH3g∆H is-93.7 Kj.The equilibrium will shift in…
  2. Which of the following is not hydrolysed in water ?
  3. pH of 0.1 M monoprotic acid is 4. Then dissociation constant of the acid is :
  4.  Molar concentration of Ag+ in an aqueous solution of Ag2CrO4 at 298K is 1.5 x 10-4 Ksp, for Ag2CrO4…
  5. If NH3 is dissolved in water, pH of the solution
  6. On dissolving sodium carbonate in water pH of the solution
  7. Which of the following is not a Lewis acid?
  8. pH of 0.001 M NaOH aqueous solution is
  9. Solubility of calcium carbonate is 0.0305 gm/litre.Kspfor CaCO3 is
  10. Conjugate base of HCO3-is
  11. pH of a solution is 8.5. solution is
  12. 2 gm of NaOH is dissolved in one litre water. pH of the solution will be
  13. Ostwald dilution law is applicable for :
  14. A solution is said to be saturated w.r.t the electrolyte it contains if
  15. On dissolving copper sulphate in water pH of the solution
  16. Decinormal solution of acetic acid ionised to an extent of 1.3%. pH of this solution will be (log 1.3…
  17. Conjugate acid differs from its conjugate base by
  18. pH of 0.1 M monobasic acid is 4 then molar concentration of H+ per litre will be
  19. 0.1 M acetic acid ionise to an extent of 1.34%. Ionisation constant of acetic acid is
  20. At a given temperature PbI2 will be more soluble in
  21. Which of the following will favour the reverse reaction in a chemical equilibrium?
  22. Strength of an acid depends on
  23. Degree of ionisation depends on
  24. According to Bronsted Lowry an acid is
  25. During salt analysis NH4OH is added before adding NH4OH for third gp., cation analysis so as to
  26. An aqueous solution of sodium acetate is
  27. Acetic acid is weak acid because it is
  28. BaSO4(Mol. wt 233) has solubility 0.009 gmlit-1 at 298 K. Its solubility product is
  29. On dissolving sodium chloride in water pH of the solution
  30. An aqueous solution CaF2 contains 2 x 10-4mole lit-1 of CaF2. Ksp for CaF2 is