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Ionic Equilibrium · 2020 · Shift 2

2 Chemistry questions from this JEE Advanced paper
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Ionic Equilibrium · 2020 · Shift 2

2 Chemistry questions from this JEE Advanced paper

  1. Q13.A solution of 0.1 M weak base (B) is titrated with 0.1 M of a strong acid (HA). The variation of pH of the solution with the volume of HA added is shown in the figure below. What is the pKb of the base? The neutralisation reaction is given… Includes diagram
    Chemistry · Ionic Equilibrium · Numerical
  2. Q18.An acidified solution of 0.05 M Zn2+ is saturated with 0.1 M H2​S. What is the minimum molar concentration (M) of H+ required to prevent the precipitation of ZnS? Use Ksp(ZnS) = 1.25 × 10 − 22 and overall…
    Chemistry · Ionic Equilibrium · Numerical