Interaction | Reaction | Process     Data Page

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

This is not a redox reaction.

[Cr2O7]2–
  +  
2
NaOH(aq)
         
2
[CrO4]2–
  +  
2
Na+
  +  
H2O
Reactant Page Go To Go To
Dichromate(VI) ion     Reactions Using    Reactions Forming
Sodium hydroxide solution     Reactions Using    Reactions Forming
Chromate(VI) ion     Reactions Using    Reactions Forming
Sodium 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
Decomplexation or Fragmentation

© Mark R. Leach 1999 –


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