L1 /   
3
CH1012
DIVISIONS OF REACTIONS
Types of Reaction
Addition reactions   A  +  B   ®     C
eg Br2 + alkenes  
                  CH2=CH2 + Br2 ® CH2BrCH2Br
Substitution reactions   AB + CD ®  AC + BD
eg OH- + haloalkane
               CH3 CH2Cl + OH- ® CH3CH2OH  +  Cl-

Elimination reactions A  ®     B  +  C
eg OH- + haloalkane
            CH3 CH2Cl             ®   CH2=CH2  + H-Cl

            OH-