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Metal ion reactions

Reactions of metal ions in aqueous solution

ReactionObservation
Iron (II) Aqueous ion green solution
Copper (II) Aqueous ion blue solution
Iron (III) Aqueous ion purple solution
Aluminium (III) Aqueous ion colourless solution
Iron (II) + NaOH green ppt. (goes brown on standing in air)
Iron (II) + Excess NaOH green ppt. (goes brown on standing in air)
Iron (II) + NH3 green ppt. (goes brown on standing in air)
Iron (II) + Exces NH3 green ppt. (goes brown on standing in air)
Iron (II) + Na2CO3 green ppt.
Copper (II) + NaOH blue ppt.
Copper (II) + Excess NaOH blue ppt.
Copper (II) + NH3 blue ppt.
Copper (II) + Excess NH3 Deep blue solution
Copper (II) + Na2CO3 blue-green ppt.
Iron (III) + NaOH brown ppt.
Iron (III) + Excess NaOH brown ppt.
Iron (III) + NH3 brown ppt.
Iron (III) + Excess NH3 brown ppt.
Iron (III) + Na2CO3 brown ppt. and effervescence (CO2)
Aluminium (III) + NaOH white ppt.
Aluminium (III) + Excess NaOH colourless solution
Aluminium (III) + NH3 white ppt.
Aluminium (III) + Excess NH3 white ppt.
Aluminium (III) + Na2CO3 white ppt. and effervescence (CO2)
Cobalt (II) Aqueous Ion pink solution
Cobalt (II) + NaOH blue ppt.
Cobalt (II) + Excess NaOH blue ppt.
Cobalt (II) + NH3 blue ppt.
Cobalt (II) + Excess NH3 pale yellow-brown solution
Cobalt (II) + Na2CO3 pink ppt.
Chromium (III) Aqueous Ion ruby solution
Chromium (III) + NaOH green ppt.
Chromium (III) + Excess NaOH green solution
Chromium (III) + NH3 green ppt
Chromium (III) + Excess NH3 purple solution
Chromium (III) + Na2CO3 green ppt + bubbles of CO2
Created by: joshsnyder