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Homework Help: Le chateliers principle

  1. Jan 10, 2015 #1
    Cl2(g) + H2O(l) = HCl(aq) + HClO(aq)
    (reversible reaction)

    1. What would happen to the concentration of HClO if more HCl was added?
    Wouldn't it decrease, since the position of equilibrium then would shift to the left?

    2. If NaOH was added to neutralize the acid, what would happen to the concentration of CIO^(-) (chlorate I) Ions?
    Wouldn't it increase, since the position of equilibrium would shift to the right?

    3. What would be the best way to remove the smell of chlorine gas?
    Wouldn't it happen by increasing its concentration? Because then the Equilibrium would shift to the right an it's amount would decrease...

    4. What would happen if acid was mixed with bleach containing HCIO? Why would that be dangerous?

    Can someone please explain the answers?
  2. jcsd
  3. Jan 10, 2015 #2


    User Avatar

    Staff: Mentor

    1. yes
    3. We don't want more Cl gas smell, we want less. So consider alternatives.
    4. The equation shows what happens. Reaction proceeds from the right to the left, liberating harmful gas.

    (I'm leaving 2 for someone else to answer.)
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