Ion Tests 0.0 / 5 ? ChemistryGreen ChemistryASAQA Created by: RhiannonMPCreated on: 16-05-19 12:28 Positive test for NaF or NaCl with H2SO4... Hydrogen Fluoride- misty fumes produced. 1 of 8 Positive Test for NaBr with H2SO4... Misty fumes of HBr. In excess H2SO4 orange fumes of Br2 are produced. 2 of 8 Positive test for NaI with H2SO4... Fumes of H2S and solid iodine. 3 of 8 Testing for Halides: Chlorine/bromine/iodine... Add HNO3 to AgNO3 and then add to the solution. A white/cream/yellow precipitate forms. 4 of 8 Positive Test for Ammonium Ions (NH4+)... Damp red litmus paper- should turn blue. 5 of 8 Positive Test for Sulfate ions... Add dilute HCl, followed by BaCl2 (aq). Forms a WHITE precipitate. 6 of 8 Positive Test for Hydroxide ions... Dip red litmus paper into the solution. Paper should turn blue. 7 of 8 Test for Carbonate ions... Add dilute HCl, the solution should fizz. Then test with limewater. 8 of 8
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