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pH of an acid buffer is given by ...
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Which of the following acts as a buffer? ...
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An aqueous solution whose pH is zero is ...
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At a certain temperature, the value of pKw is 13.4 and the measured pH of the solution is 7. The solution is ...
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The pH of 0.1 M solution of a weak acid is 3. What is the value of the ionisation constant for the acid? ...
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10 ml of M/200 H2SO4 is mixed with 40 ml of M/200 H2SO4. The pH of the resulting solution is ...
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What will be the pH of a solution formed by mixing 40 ml of 0.10 M HCl with 10 ml of 0.45 M NaOH ...
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If in a 100 ml of an aqueous solution of HCl of pH=1.0, 900 ml of distilled water is added, the pH of the resultant solution will become ...
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The pH of 0.5 M aqueous solution of HF(Ka=2×10-4) is ...
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pH of 10-8 M aqueous solution of HCl is ...
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pH of 10-3 M NaOH is ...
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pH of 0.1M HCl is ...
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On passing H2S, which of the following bivalent metal sulphides (Ksp given) will be precipitated first from the solution having almost equal conc. of metal ion? ...
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When NH4Cl is added to the solution of NH4OH ...
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Which of the following will suppress the ionisation of acetic acid in aqueous solution? ...
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The maximum concentration of [Ag+] in the solution of Ag2SO4 in water is 0.001M at 298 K. If 0.5M Na2SO4 is poured in the solution, then the maximum [Ag+] is ...
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At room temperature solubility product of Ag2SO4 is 1.8×10-9 mol3/L3. In the solution [SO42-] is 2×10-4mol/litre. The value of [Ag+] to precipitate Ag2SO4 from this solution should be greater than ...
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Precipitation takes place when ionic product ...
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If the solubility of Ag2SO4 is S mol/litre, its solubility product is ...
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The correct representation for the solubility product constant of Ag2SO4 is ...
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According to Bronsted concept, water is a/an ...
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Which of the following represents the conjugate pair of H2O? ...
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Conjugate base of a strong acid is ...
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Which of the following equilibrium is an acid-base reaction according to Lewis acid-base concept but not according to Bronsted and Lowry concept? ...
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Which of the following is a Lewis acid? ...
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Which of the following is not a Lewis base? ...
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A base differs from its conjugate base by ...
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Which of the following is a Bronsted base? ...
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Which one of these is a Bronsted acid? ...
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An aqueous solution of an acid is characterized by the presence of ...
asked2009-04-15 21:12:45