ALKENE
NOMENCLATURE OF ALKENES
BOILING POINTS
PREPARATION OF ALKENES
REACTIONS OF ALKENE
OXIDATION CLEAVAGE
NUMBER OF ATOMS INCREASE CIS ALKENE MORE POLAR THAN A TRANS ALKENE
MOLECULAR SIZE INCREASE CIS ALKENE SLIGHTLY HIGHER BOILING POINT THAN TRANS ALKENE
SURFACE AREA INCREASE
MORE VAN DER WAALS FORCES FORMED BOILING POINT AT 0.9 c BOILING POINT AT 3.7 c
MORE ENERGY NEEDEN TO OVERCOME THE FORCES TRANS-2 -BUTENE CTS-2 -BUTENE
NUMBER OF CARBON ATOMS CIS TRANS ISOMERS
BOILING POINTS
1. FIND THE PARENT 2. NUMBER OF 3.WRITE THE NAME AS A
NAME MAIN CHAIN SINGLE WORD
Largest C chain that contains Give double bond the Name main chain using the
both C atoms of double bond lower number first number assigned to the
double bond
Name the substituents
according their position in
chain& list alphabetically
NOMENCLATURE OF ALKENES
Saytzeff rules
Elimination of reaction major product form most stable
alkene. commonly
Carbo cation arrangement
Dehydration of alcohol Dehydrahalogenation of haloaklenes
PREPARATION OF ALKENES
HYDROHALOGENATION HYDROGENATION
REACTIONS OF ALKENE
OXIDATION CLEAVAGE