chemisrty tests 3.0 / 5 based on 1 rating ? ChemistryASAQA Created by: AishaCreated on: 09-05-13 13:45 HOW DO YOU TEST FOR THE PRESSENCE OF AQUEOUS HALIDE IONS? add nitric acid to remove any carbonates or hydroxides, then add aqueous silver nitrate, 1 of 8 what colour should the ppt be if there is chlorine, bromine or iodine ions pressent once adding sliver nitrarte chlorine = white (milk) bromine = cream (cream) iodine = pale yellow (butter) 2 of 8 what does dilute amonia dissolve in chlorine/briomine or iodine chlorine 3 of 8 what does concentrated amonia dissolove in? chloriome/bromine or iodine bromine 4 of 8 does any amonia dissolve in idodine? NO 5 of 8 how can you test for the pressence pf aqueous carbonate ions add nitic acid and should see bubbles of carbon dioxide 6 of 8 how to test for ammoniumm ions warm to produce fumes! use DAMP indicator paper and should turn blue or use a glass rod with HCL and should see white misty fumes 7 of 8 how to test for carbon carbon double bonds add bromine/iodine and shake should decolourise if pressent 8 of 8
Comments
No comments have yet been made