RP4 Testing for Group 2 Metals

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5 Terms

1
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Mg 2+

  • ammonium solution

  • white precipitate Mg(OH)2

2
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Ca 2+

  • ammonium solution

  • no change

3
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Sr 2+

  • ammonium solution

  • no change

4
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Ba 2+

  • ammonium solution

  • no change

5
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ammonium ions

  • 10 drops ammonium ions solution

  • 10 drops NaOH & swirl

  • place in water bath gently heat

  • fumes produced

  • test fumes with red litmus paper —> blue