Interaction | Reaction | Process     Data Page

The gelatinous white precipitate of triaaquatrihydroxyaluminium dissolves in alkali.

The complex acts as a Brønsted acid and a proton is lost, then two waters are ejected, to give a colourless solution of the tetrahedral tetrahydroxyaluminate ion.

Al(H2O)3(OH)3
Al(OH)3
  +  
NaOH(aq)
         
[Al(OH)4]
  +  
Na+
  +  
3
H2O
Reactant Page Go To Go To
Triaquatrihydroxyaluminium     Reactions Using    Reactions Forming
Sodium hydroxide solution     Reactions Using    Reactions Forming
Tetrahydroxyaluminate 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
Dissolution: With Ionisation
Proton transfer: Brønsted reaction

© Mark R. Leach 1999 –


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