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On dissolving sodium chloride in water pH of the solution

A. decreases

B. increases

C. remains unchanged

D. increase or decreases

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  1. Kspfor AgCl (mol wt 143.5) is 17 x 10-11 at 298K. The molar solubility of AgCl at 298 Kis
  2. pH of 0.1 M monoprotic acid is 4. Then dissociation constant of the acid is :
  3. CH3COOH+H2⇋H3O++CH3COO-In the above reaction acid is
  4. Sum of pH and pOH of an acidic solution at 25°C is
  5. On dissolving sodium chloride in water pH of the solution
  6. Which of the following will favour the reverse reaction in a chemical equilibrium?
  7. pH of a solution is 10. Hydroxide ion concentration in the solution is
  8. Strength of an acid depends on
  9. For the reversible reactionN2g+3H2g=2NH3g∆H is-93.7 Kj.The equilibrium will shift in…
  10. Precipitation takes place when
  11. At a given temperature PbI2 will be more soluble in
  12. An aqueous solution CaF2 contains 2 x 10-4mole lit-1 of CaF2. Ksp for CaF2 is
  13. pH of 0.1 M monobasic acid is 4 then molar concentration of H+ per litre will be
  14.  Molar concentration of Ag+ in an aqueous solution of Ag2CrO4 at 298K is 1.5 x 10-4 Ksp, for Ag2CrO4…
  15. An aqueous solution of sodium acetate is
  16. Which of the following is not hydrolysed in water ?
  17. Ionisation constant of formic acid is 1.8 x 1.8×10-4 at 298 K. In 0.1 NHCOOH the percentage…
  18. Acetic acid is weak acid because it is
  19. Degree of ionisation depends on
  20. On dissolving sodium carbonate in water pH of the solution
  21. pH of a solution is 8.5. solution is
  22. Conjugate base of HCO3-is
  23. 2 gm of NaOH is dissolved in one litre water. pH of the solution will be
  24. Which of the following is not hydrolysed in water ?
  25. 0.1 M acetic acid ionise to an extent of 1.34%. Ionisation constant of acetic acid is
  26. Solubility of calcium carbonate is 0.0305 gm/litre.Kspfor CaCO3 is
  27. During salt analysis NH4OH is added before adding NH4OH for third gp., cation analysis so as to
  28. According to Bronsted Lowry an acid is
  29. If NH3 is dissolved in water, pH of the solution
  30. Dissociation constant of 0.01 M HCN is 4 x10-10. The H- concentration in the solution is