Review of Fundamental Terminology For reaction, O+ne r D Oxidation: R 0+ne loss of electrons by r Reduction:o+ne r gain of electrons by O opyright P A Mabrouk, 2001. All rights reserved. @Patricia Ann Mabrouk. 2001
copyright P.A.Mabrouk, 2001. All rights reserved.© Patricia Ann Mabrouk, 2001 11 For reaction, O + ne- R Oxidation: R O + ne- • loss of electrons by R Reduction: O + ne- R • gain of electrons by O Review of Fundamental Terminology → → →
Oxidants and reductants n oxidant oxidizing agent reactant which oxidizes another reactant and which is itself reduced D reductant= reducing agent reactant which reduces another reactant and which is itself oxidized pyright P A Mabrouk, 2001. All rights reserved. PAtricia Ann Mabrouk. 2001
copyright P.A.Mabrouk, 2001. All rights reserved.© Patricia Ann Mabrouk, 2001 12 Oxidants and Reductants oxidant = oxidizing agent • reactant which oxidizes another reactant and which is itself reduced reductant = reducing agent • reactant which reduces another reactant and which is itself oxidized
Review of Fundamental Terminology So, reactions occur pairwise Cannot have oxidation without reduction Charge must be conserved Number of electrons lost in oxidation must equal number of electrons gained in reduction pyright P A Mabrouk, 2001. All rights reserved. PAtricia Ann Mabrouk. 2001
copyright P.A.Mabrouk, 2001. All rights reserved.© Patricia Ann Mabrouk, 2001 13 Review of Fundamental Terminology So, reactions occur pairwise • Cannot have oxidation without reduction Charge must be conserved • Number of electrons lost in oxidation must equal number of electrons gained in reduction