Chemistry 9701 · AS & A Level · Equilibria

Equilibria — practice question

The equilibrium shown below is exothermic in the forward direction. $2\mathrm{CrO_4^{2-}}(aq) + 2\mathrm{H^+}(aq) \rightleftharpoons \mathrm{Cr_2O_7^{2-}}(aq) + \mathrm{H_2O}(l)$ What occurs when the concentration of $\mathrm{CrO_4^{2-}}$ ions is raised and the temperature is lowered?

  • A1, 2 and 3 are correct
  • B1 and 2 only are correct
  • C2 and 3 only are correct
  • D1 only is correct

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