Results are out! Find what you need...fast. Get quick advice or join the chat
Hey! Sign in to get help with your study questionsNew here? Join for free to post

Ionic equation for reaction between chlorine and sodium thiosulphate

Announcements Posted on
Applying to Uni? Let Universities come to you. Click here to get your perfect place 20-10-2014
    • Thread Starter
    • 0 followers
    Offline

    ReputationRep:
    Does anyone know the ionic equation for the reaction between chlorine and sodium thiosulphate and how to work it out? I kind of get the idea but end up confusing myself!
    Thanks
    • 0 followers
    Offline

    ReputationRep:
    I will take a guess

    2S2O3 + Cl2 ---> 2Cl + S4O6

    May want to verify that : )
    • 22 followers
    Offline

    ReputationRep:
    put the charges in and it looks fine to me.
    • 14 followers
    Offline

    ReputationRep:
    yeah S2O3 is 2- as is S4O6
    • Thread Starter
    • 0 followers
    Offline

    ReputationRep:
    thanks guys, just looked at the question again it says -
    Sodium thiosulphate reacts with chlorine to produce sulphate ions, chloride ions and hydrogen ions. Write a balanced ionic equation for the reaction between chlorine and sodium thiosulphate.

    just wonderin where the hydrogen ions fit into it? lol
    • 0 followers
    Offline

    ReputationRep:
    $

S_2O^{2-}_3+4Cl_2+5H_2O \longrightarrow 10H^++2SO^{2-}_4+8Cl^-

    you can get it from the half equations of the oxidation of thiosulphate to sulphate and reduction of chlorine to chloride

    This reaction would occour rather than the other one I guess is because Chlorine is a stronger oxidising agent than Iodine so can oxidise the thiosulphate
    $

S_2O^{2-}_3 + 5H_2O \longrightarrow 10H^++2SO^{2-}_4+8e^-

    $

Cl_2 + 2e^- \longrightarrow 2Cl^-

Reply

Submit reply

Register

Thanks for posting! You just need to create an account in order to submit the post
  1. this can't be left blank
    that username has been taken, please choose another Forgotten your password?
  2. this can't be left blank
    this email is already registered. Forgotten your password?
  3. this can't be left blank

    6 characters or longer with both numbers and letters is safer

  4. this can't be left empty
    your full birthday is required
  1. By joining you agree to our Ts and Cs, privacy policy and site rules

  2. Slide to join now Processing…

Updated: May 13, 2008
New on TSR

Personal statement help

Use our clever tool to create a PS you're proud of.

Article updates
Reputation gems:
You get these gems as you gain rep from other members for making good contributions and giving helpful advice.