CHAPTER-4 ELECTROCHEMISTRY SEMESTER-2

Ionic substance	Element at -	Element at +
Copper  chloride,  CuCl2	Copper, Cu	Chlorine,  Cl2
Copper sulfate,  CuSO4	Copper,  Cu	Oxygen,  O2
Sodium chloride,  NaCl	Hydrogen,  H2	Chlorine,  Cl2
Hydrochloric acid,  HCl	Hydrogen,  H2	Chlorine,  Cl2
Sulfuric acid,  H2SO4	Hydrogen,  H2	Oxygen,  O2

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For more informations visit the following links:

http://www.shodor.org/unchem/advanced/redox/

http://www.chemguide.co.uk/inorganic/redox/definitions.html

http://www.chemistry.wustl.edu/~coursedev/Online%20tutorials/Redox.htm