Interaction | Reaction | Process     Data Page

In acid solution chromate(VI) ion dimerises to dichromate(VI) ion plus water. The reaction is an equilibrium process and can be followed by the colour change from yellow (chromate) to orange (dichromate).

This is not a redox reaction.

2
[CrO4]2–
  +  
2
H+
         
[Cr2O7]2–
  +  
H2O
Reactant Page Go To Go To
Chromate(VI) ion     Reactions Using    Reactions Forming
Proton     Reactions Using    Reactions Forming
Dichromate(VI) ion     Reactions Using    Reactions Forming
Water     Reactions Using    Reactions Forming

Interaction, Reaction, Process defined as:
British A-Level Chemistry: A2
British A-Level Chemistry: AS
Complexation or Coupling

© Mark R. Leach 1999 –


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