Interaction | Reaction | Process     Data Page

Hydrogen iodide is oxidised by sulfur dioxide to iodine and sulfur.

This reaction proceeds when conc. sulfuric acid is added to solid sodium iodide and it involves the generated hydrogen iodide and sulfur dioxide.

4
HI
  +  
SO2
         
2
I2
  +  
S
  +  
2
H2O
Reactant Page Go To Go To
Hydrogen iodide     Reactions Using    Reactions Forming
Sulfur dioxide     Reactions Using    Reactions Forming
Iodine     Reactions Using    Reactions Forming
Sulfur     Reactions Using    Reactions Forming
Water     Reactions Using    Reactions Forming

Interaction, Reaction, Process defined as:
British A-Level Chemistry: A2
British A-Level Chemistry: AS
Oxidation: Of Substrate By Reagent
Redox
Sodium Halides + conc. H2SO4

© Mark R. Leach 1999 –

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