Types of Bond Fission Flashcards
Heterolytic fission
A covalent bond breaks and one bonding atom receives both electrons from the bonded pair
Homolytic fission
A covalent bond breaks and each bonding atom receives one electron from the bonded pair forming two free radicals
free radical
A neutral species with an unpaired electron
what does the . means in Cl.
an unpaired electron
what does the curly arrow represent in a reaction mechanism
the movement of a single electron
Nucleophile
A species which donates a lone pair of electrons. A nucleophile is attracted to an electron deficient centre (positive).
why are H2O and NH3 nucleophiles
Because they donate a lone pair of electrons
electrophile
A species which accepts a pair of electrons. An electrophile is attracted to a region of high electron density.
Why is NO2 + an electrophile
Because it accepts a pair of electrons
