Diagrama de flujo
OCR - A-Level - Chemistry - Testing for Ions Flowchart
Contenido del diagrama
Testing for ions
Add dilute strong acid
Bubble the gas released through limewater
Does it go cloudy?
Carbonate ion, CO3 ^(2-)
Yes
Add dilute hydrochloric acid and barium chloride
Is a white precipitate formed?
Sulfate ion,
SO4 ^(2-)
Dissolve in water
No
Yes
Add aqueous silver nitrate
Is the colour obvious?
Add dilute
aqueous ammonia
No
No
Note the colour
Is the colour obvious?
Yes
Yes
Add concentrated aqueous ammonia
Is the colour obvious?
Yes
Is there a white precipitate?
Silver chloride, AgCl
No
No
Is there a cream precipitate?
Silver bromide, AgBr
Is there a yellow precipitate?
Silver iodide, AgI
Does it dissolve in dilute ammonia?
Does it dissolve in concentrated
ammonia?
Yes
Yes
Yes
Yes
No
No
No
No
No
Add sodium hydroxide solution and heat
Test the gas released
Does it turn red litmus paper blue?
No
Ammonium ions
Yes
Información
- Descripción
- A level (Module 3) Chemistry Diagrama sobre OCR - A-Level - Chemistry - Testing for Ions Flowchart, creado por Josh Anderson el 08/02/2017.
- Creado por
- Josh Anderson
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