Electrophilic Addition
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11 Terms
what does mechanisms mean?
series of steps which tells you how a reaction takes place
what do curly arrows mean?
the movement of a pair of electrons
what do half-curly arrows mean?
movement of one electron
what is heterolytic bond fission?
a pair of electrons going to one atom
what is homolytic bond fission?
the electrons go to different atoms
what does electrophile mean?
an electron pair acceptor- has +ve or partially +ve charge
what does nucleophile mean?
an electron pair donor- has lone pair or -ve charge
what are the rules for the electrophilic addition mechanism?
the overall charge in each step is the same, goes from an alkene to alkane, curly arrows start from bond, -ve charge or lone pair
what is the mechanism for alkene + hydrogen —> alkane?
a heterogenous catalyst using Ni with heat and pressure or Pb at room temp and pressure
what is the mechanism for alkene + water —> alcohol?
catalyst using concentrated H2SO4 with water or steam/ H3PO4 and pressure
what does electrophilic addition mean?
a reaction where an electrophile joins onto an alkene. no atoms are removed from the alkene
Note 
Flashcards (33)