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More on the Halogens

More on the Halogens. Objectives. Be able to... Recall how to test for the presence of halides using silver nitrate Explain the storage and transport risks associated Describe a range of uses of the halogens. Specification... Where this comes from. Reactions with Silver Nitrate.

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More on the Halogens

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  1. More on the Halogens

  2. Objectives Be able to... • Recall how to test for the presence of halides using silver nitrate • Explain the storage and transport risks associated • Describe a range of uses of the halogens

  3. Specification...Where this comes from...

  4. Reactions with Silver Nitrate How is AgNO3 used to test for halide ions? Which silver halide precipitate is formed most quickly? Can you suggest a use for the silver halides?

  5. Toothpaste, to prevent tooth decay Processing uranium nuclear fuel Fluoridation of water fluorine-containing polymers, e.g. Teflon Uses of Fluorine Fluorine and its compounds Fluorine, often via hydrogen fluoride, is used to manufacture many other products.

  6. antiseptics and disinfectants pesticides and weed killer Chlorine and its compounds HCl Chlorinated carbon compounds, e.g. solvents and plastics (PVC) Bleach to kill bacteria and to make paper white Drinking water treatment Uses of Chlorine

  7. Uses of Bromine and Iodine Leaded petrol (being phased out) medicines photography agriculture antiseptic Animal feed supplements Bromine and its compounds Iodine and its compounds

  8. Transport issues Use storylines books

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