Given the following information: hydrocyanic acid = HCN hypochlorous acid = HClO HClO is a stronger acid than HCN(1) Write the net ionic equation for the reaction that occurs when equal volumes of 0.088 M aqueous hydrocyanic acid and sodium hypochlorite are mixed. It is not necessary to include states such as (aq) or (s).(2) Which is the strongest base, CN- or ClO- ?(3) At equilibrium the (Products or Reactants) will be favored.
Question
Given the following information: hydrocyanic acid = HCN hypochlorous acid = HClO HClO is a stronger acid than HCN(1) Write the net ionic equation for the reaction that occurs when equal volumes of 0.088 M aqueous hydrocyanic acid and sodium hypochlorite are mixed. It is not necessary to include states such as (aq) or (s).(2) Which is the strongest base, CN- or ClO- ?(3) At equilibrium the (Products or Reactants) will be favored.
Solution
(1) The net ionic equation for the reaction between hydrocyanic acid (HCN) and sodium hypochlorite (NaClO) is:
HCN + ClO- -> CN- + HClO
(2) ClO- is the strongest base. This is because HClO is a stronger acid than HCN, and the strength of a conjugate base is inversely proportional to the strength of its conjugate acid.
(3) At equilibrium, the products will be favored. This is because the reaction is moving towards the side of the weaker acid and base, which in this case are the products (CN- and HClO).
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