Wednesday, April 6, 2011

Hydrocarbons

Catalyst Used
Reaction Mechanism
H2/Catalyst
Free Radical Addition
R-MgX/Ar-MgX (Heat)
Free Radical Pathway
Electrolysis
Electrolysis
Na/Dry Ether/Heat

Zn/Ether/Heat (Same as Wurtz)

R2CuLi

Clemennsen/Wolf-Kishner

Soda Lime/Heat

Preparation of Alkanes                                 
1.       Hydrogenation                      
2.       Grignard Reagent
3.       Kolbe’s Electrolysis
4.       Wurtz Reaction
5.       Frankland Reaction
6.       Corey House Alkane Synthesis
7.       Reduction of Aldehyde and Ketone
8.       Decarboxylation
Catalyst Used
Reaction Mechanism
X2/Heat
Free Radical Pathway
O2/Heat
Free Radical Pathway
Heat , SiO2/Al2O3

Ni/Heat ,Silica Alumina

HCl/AlCl3 Alkene or Alkyl Halide

HNO3/Heat NaNO2
Free Radical (Direct Nitration)
Conc. H2SO4
Carbocation
KMnO4
Radical Pathway

Properties Of Alkanes
1.       Halogenation
2.       Combustion of Alkanes                
3.       Pyrolysis or Cracking
4.       Aromatization
5.       Isomerisation
6.       Nitration of Alkanes
7.       Sulphonation of Alkanes
8.       Hydroxylation


Preparation Of Alkenes
1.       Dehalogenation
2.       Reduction From Alcohols
3.       From Alkyl halides

Properties Of Alkenes
1.       Halogenation
2.       Hydrohalogenation
3.       Hydration
4.       Hydroxylation
5.       Case of Peracid
6.       Case of KMno4
7.       Case of Ozonolysis
8.       Allylic Halogenation
9.       Polymerisation Of Alkenes


 Preparation of Alkynes
1.       Dehydrohalogenation
2.       Dehalogenation
3.       Alkynides
4.       Isomerisation
 Properties of Alkynes                                           
1.       Halogenation
2.       Hydrohalogenation
3.       Addition of HOX
4.       Hydration(Addition Of water
            Hydroboration
           KMnO4  Oxidation'
            Ozonolysis
8.       Propargylic Halogenation

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