Transition Metal Super Info

Pretty much everything needed to do with transition elements. Used internet resources, Ocr Textbook along side the specification. If anything needs to be added or incorrect please leave a comment.

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  • Created by: Lewis
  • Created on: 09-04-13 18:49
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  • Transition Metals
    • What are they?
      • Cobalt
        • Co2+
        • Co3+
      • Scandium
        • Sc3+
      • Titanium
        • Ti4+
      • Iron
        • Fe2+
        • Fe3+
      • Chromium
        • Cr2+
        • Cr3+
        • Cr207 2-
        • Cr04 2-
      • Nickel
        • Ni2+
      • Manganese
        • Mn6+
        • Mn2+
        • Mn7+
        • Mn4+
      • Copper
        • Cu+
        • Cu2+
      • Vanadium
        • V4+
        • V3+
        • V5+
    • Properties
      • Coloured ions
      • Variable oxidation states
      • Can be used as Catalysts
    • Precipitation Reaction
      • Cu2+(aq)  +  2-OH(aq) ----------> Cu(OH)2(s)
        • Blue sol. to pale blue ppt
      • Fe2+(aq)  +  2-OH(aq)   ----------> Fe(OH)2(s)
        • Pale green sol. to green ppt, rusty brown with air
      • Fe3+(aq)  +  3-OH(aq)   ----------> Fe(OH)3(s)
        • Pale yellow sol.  to rusty brown ppt.
      • Co2+(aq)  +  2-OH(aq) ----------> Co(OH)2(s)
        • Pink soi. to pink ppt
    • Complex Ions
      • Ligands
        • an ion that donates a lone pair of electrons to form a dative covalent[co-ordination] bond to a central metal ion
        • Bidentate ligands
          • An ion that donates two lone pair of electrons to form two dative covalent bonds
      • A [transition] metal ion surrounded by ligands bonded by dative covalent bonds
    • Ligand Substitution
      • [Cu(H20)6]2+  +  4NH3     ------->[Cu(H20)2(NH3)4]2+ + 4H20
        • Blue solution to deep blue solution and a blue ppt. with excess NH3
      • [Co(H20)6]2+  +  4Cl-     -------> [CoCl4]2- + 6H20
        • Pink to blue, tetrahedral structure
      • [Cu(H20)6]2+  +  4Cl-     -------> [CuCl4]2- + 6H20
        • Blue solution to yellow sol, tetrahedral structure

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