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Halide and ammonium ions

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GCSE Chemistry Mindmap am Halide and ammonium ions, erstellt von Lucy Sherburn am 15/06/2017.
Lucy Sherburn
Mindmap von Lucy Sherburn, aktualisiert more than 1 year ago
Lucy Sherburn
Erstellt von Lucy Sherburn vor mehr als 7 Jahre
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Zusammenfassung der Ressource

Halide and ammonium ions
  1. Halide ions
    1. The method
      1. Add dilute nitric acid
        1. Add silver nitrate solution
      2. Depending which halide ion is present, a different precipitate forms
        1. Iodide forms a yellow precipitate
          1. Bromide forms a cream precipitate
            1. Chloride forms a white precipitate
            2. Ammonium ions
              1. The method
                1. Mix the sample with dilute sodium hydroxide solution
                  1. Warm it using a Bunsen burner flame
                    1. Ammonia gas released if there are ammonium ions
                      1. Gas has distinctive smell and turns red litmus paper blue
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