haloalkanes Flashcards
1
Q
common nucleophiles
A
hydroxide :OH-
ammonia :NH3
cyanide ion :CN-
2
Q
nucleophile
A
an atom which is attracted to an electron deficient centre where it donates a pair of electrons to form a new covalent bond
3
Q
heterolytic fission
A
breaking of a covalent bond in which one of the atoms recieves both the electrons from the bond
4
Q
homolytic fission
A
breaking of a covalent bond in which each of the bonded atoms receives one of the bonding electrons
5
Q
radical
A
a species with an unpaired electron
6
Q
steps of radical substitution
A
initiation, propagation, termination
7
Q
limitations of radical substitution
A
- can’t prevent further substitution
- can occur at different positions on the chain