Alkenes Properties Nomenclature Stability Addition Reactions
Alkenes Properties Nomenclature Stability Addition Reactions
Ethylene p H sp 2 Sp Sp- sp Sp H sigma bonding orbitals of ethylene
Ethylene
Electron Richπ-Bond .H …H electrostatic potential map
Electron Rich p-Bond
Cis and Trans no rotation about m-bond CH3 CH CH? H:C CH H cis no overlap with the ends perpendicular trans
Cis and Trans no rotation about p-bond
Elements or Degrees of Unsaturation:n-Bond or Ring CH,=CH-CH,CH CH一CH=CH一CH3 1-butene 2-butene CH3 CH-CH, CH2 CH,-C-CH, CH,-CH2 CH,一CH一CH3 isobutylene cyclobutane methylcyclopropane
Elements or Degrees of Unsaturation: p-Bond or Ring