Ostwald dilution law is applicable for :

A. weak electrolytes

B. strong electorate

C. basic

D. acids

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  1. Solubility of calcium carbonate is 0.0305 gm/litre.Kspfor CaCO3 is
  2.  Molar concentration of Ag+ in an aqueous solution of Ag2CrO4 at 298K is 1.5 x 10-4 Ksp, for Ag2CrO4…
  3. An aqueous solution of sodium acetate is
  4. Kspfor AgCl (mol wt 143.5) is 17 x 10-11 at 298K. The molar solubility of AgCl at 298 Kis
  5. In an aquous solution of silver bromide concentration of Ag+ is 1×10-6 mol lit-1.…
  6. At a given temperature PbI2 will be more soluble in
  7. In III gp of salt analysis for cations NH4CL and NH4OH are added as group reagents. Which of the following…
  8. On dissolving copper sulphate in water pH of the solution
  9. For the reversible reactionN2g+3H2g=2NH3g∆H is-93.7 Kj.The equilibrium will shift in…
  10. Sum of pH and pOH of an acidic solution at 25°C is
  11. Precipitation takes place when
  12. BaSO4(Mol. wt 233) has solubility 0.009 gmlit-1 at 298 K. Its solubility product is
  13. Degree of ionisation depends on
  14. pH of 0.1 M monoprotic acid is 4. Then dissociation constant of the acid is :
  15. 2 gm of NaOH is dissolved in one litre water. pH of the solution will be
  16. Dissociation constant of 0.01 M HCN is 4 x10-10. The H- concentration in the solution is
  17. Conjugate base of HCO3-is
  18. Decinormal solution of acetic acid ionised to an extent of 1.3%. pH of this solution will be (log 1.3…
  19. pH of 0.001 M NaOH aqueous solution is
  20. Which of the following will favour the reverse reaction in a chemical equilibrium?
  21. pH of a solution is 8.5. solution is
  22. On dissolving sodium chloride in water pH of the solution
  23. Strength of an acid depends on
  24. If NH3 is dissolved in water, pH of the solution
  25. Acetic acid is weak acid because it is
  26. Ionisation constant of formic acid is 1.8 x 1.8×10-4 at 298 K. In 0.1 NHCOOH the percentage…
  27. 0.1 M acetic acid ionise to an extent of 1.34%. Ionisation constant of acetic acid is
  28. Which of the following is not hydrolysed in water ?
  29. During salt analysis NH4OH is added before adding NH4OH for third gp., cation analysis so as to
  30. pH of a solution is 10. Hydroxide ion concentration in the solution is