10chem

    Cards (25)

    • Light-carrier, St. Elmo's fire
      Phosphorus
    • essential constituent of protoplasm, nervous tissue, teeth and bones (as phosphate)
      Phosphorus
    • Allotropes of Phosphorus
      -White Phosphorus
      -Red Phosphorus
      -Violet Phosphorus
      -Black Phosphorus
    • yellow phosphorus, tetraphosphorus
      white phosphorus
    • chemically reactive and poisonous form of Phosphorus
      white phosphorus
    • colorless or white solid with waxy appearance and has distinct disagreeable ozone-like odor
      white phosphorus
    • causes slow healing burns
      white phosphorus
    • Antidote of white phosphorus
      Cupric Sulphate
    • Chronic P toxicity: phossy jaw (bony necrosis of the mandible)
      white phosphorus
    • Acute P Toxicity: Garlic odor of breath, luminous vomitus
      white phosphorus
    • Former use: rat poison
      white phosphorus
    • Appears as brown to red amorphous powder; stable in air
      Red phosphorus
    • Non-poisonous and non-flammable in air except at high temperature (less chemically active compared to white P)
      Red phosphorus
    • Relatively nontoxic unless it contains white P as impurity
      impurity
      Red Phosphorus
    • Prepared by heating white P at 300 degree C in the absence of air or by exposing white P to air
      Red Phosphorus
    • uses: safety matches and pyrotechnics
      Red Phosphorus
    • Hittorf's Metallic Phosphorus, monoclinic phosphorus
      Violet Phosphorus
    • Prepared from red phosphorus heated in a sealed tube at ___ degree C
      530
      Violet Phosphorus
    • Thermodynamically stable form of Phosphorus at RT and pressure
      Black Phosphorus
    • Resembles graphite in texture
      Black Phosphorus
    • Produced from white P under high pressure
      Black Phosphorus
    • Stable in air
      Black Phosphorus
    • Does not catch fire spontaneously
      Black Phosphorus
    • Insoluble in organic solvent
      Black Phosphorus
    • Phosphorus compounds and preparation
      -Phosphates