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Chemical Equilibrium Test - 41
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Chemical Equilibrium Test - 41
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  • Question 1/10
    4 / -1
    A certain buffer solution contains equal concentrations of X− and HX. Kb for X− is 10-10. The pH of the buffer solution is
    Solutions

  • Question 2/10
    4 / -1
    The solubility product of a sparingly soluble salt AB at room temperature is 1.21 × 10–6 M2. Its molar solubility is
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  • Question 3/10
    4 / -1
    The solubility in water of a sparingly soluble salt, AB2 is 1.0 × 10–5 mol L–1. Its solubility product number will be
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  • Question 4/10
    4 / -1
    A certain weak acid has a dissociation constant of 1.0 × 10–4. The equilibrium constant for its reaction with a strong base is
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  • Question 5/10
    4 / -1
    If Ka1 and Ka2 acid are 1 × 10-2 and 1 × 10-6 respectively, then concentration of sulphate ions in 0.01 MH2SO4 solution will be
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  • Question 6/10
    4 / -1
    For the solution of a weak electrolyte AB2, the degree of dissociation is given by
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  • Question 7/10
    4 / -1

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  • Question 8/10
    4 / -1

  • Question 9/10
    4 / -1

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  • Question 10/10
    4 / -1
    The PKa of a weak acid HA is 4.80 The pKb of a weak base BOH is 4.78 The PH of an aqueous solution of the corrosponding salt BA will be
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