Interaction | Reaction | Process     Data Page

Sulfate ion is reduced to sulfur dioxide.

When this reaction is run in reverse, SO2 acts as a reducing agent.

[SO4]2–
  +  
4
H+
  +  
2
e
         
SO2
  +  
2
H2O
Reactant Page Go To Go To
Sulfate ion     Reactions Using    Reactions Forming
Proton     Reactions Using    Reactions Forming
Electron     Reactions Using    Reactions Forming
Sulfur dioxide     Reactions Using    Reactions Forming
Water     Reactions Using    Reactions Forming

Interaction, Reaction, Process defined as:
British A-Level Chemistry: AS
Reduction Half Reaction

© Mark R. Leach 1999 –


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