Titration Colour Changes SLSS Science Limerick Education Centre

Titration Colour Changes © SLSS Science Limerick Education Centre

Acid/ Base Titrations Hydrochloric Acid v Sodium carbonate HCl Indicator: - Methyl Orange Na 2 CO 3 © SLSS Science Limerick Education Centre Red

Acid/ Base Titrations Ethanoic Acid v Sodium Hydroxide CH 3 COOH Indicator: - Phenolphthalein Colourless Na. OH © SLSS Science Limerick Education Centre

Redox Titrations Potassium Permanganate v Ammonium Iron (II) Sulphate KMn. O 4 Indicator: - Potassium Permanganate Persisting Pale Pink (NH 4)2 SO 4. Fe(ll)SO 4 © SLSS Science Limerick Education Centre

Edta Titration Hard Water (Ca++) v Edta edta Indicator: - Eriochrome Black T Red © SLSS Science Limerick Education Centre Blue

Redox Titrations Iodine v Thiosulphate Indicator: -Starch End Point Add Starch I 2 Soln. Brown © SLSS Science I 2 Soln. Pale Yellow Limerick Education Centre Blue Black Colourless

• Summary Hydrochloric Acid v Indicator orange © SLSS Science Limerick Education Centre Sodium carbonate Methyl Orange to red

Ethanoic Acid v Sodium Hydroxide Indicator Pink © SLSS Science Limerick Education Centre Phenolphthalein to Colourless

Potassium Permanganate v Ammonium Iron (II) Sulphate Indicator Colourless © SLSS Science Limerick Education Centre KMn. O 4 is it’s own Indicator to Permanent Pink Tinge (Persistant Pink)

Hard Water (Ca++) Indicator Red © SLSS Science Limerick Education Centre v Edta Eriochrome Black T to Blue

Iodine Indicator Brown to © SLSS Science v Thiosulphate Starch indicator Pale Yellow to Limerick Education Centre Blue/black to Colourless