chem elctrochemistry and transitional meta;

    Cards (18)

    • hydrogen fuel cell
      -ve: O2+2H2O+4e--> 4OH-
      +VE: H2+1/2O2--> H2O
    • LITHIUM ION CELL
      -ve: Li--> Li+ + e-
      +ve: Li+ CoO2 +e---> Li+[CoO2]-
    • [Cr(H2O)6]2+
      red violet solution
    • [Cr(NH3)6]3+
      purple solution
    • Cr(OH)3(H2O)3
      Green ppt
    • Co(H2O)4(OH)2
      Blue- Green ppt
    • [CoCl4]2-
      blue solution
    • [Co(H2O)6]2+
      pink solution
    • [Co(NH3)6]2+
      Straw coloured solution
    • [Co(NH3)6]3+
      Brown solution
    • [Fe(H2O)6]3+
      Violet solution appears yellow
    • Fe(H2O)3(OH)3
      brown ppt
    • [Fe(H2O)6]2+
      Pale green solution
    • Fe(H2O)4(OH)2
      Green ppt
    • [CuCl4]2-
      yellow- green solution
    • [Cu(NH3)4(H2O)2]2+
      Deep blue solution
    • [Cu(H2O)6]2+
      BLUE SOLUTION
    • Cu(H2O)4(OH)2
      Blue ppt
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