free radicals Flashcards
1
Q
df free radical
A
uncharged mol w unpaired e-
2
Q
ds 3 steps in creation, activity of free rads
A
initiation step- en in 2 form,
propagation- react w otr mol 2 create another free rad
termination- rxn w another free rad 2 create normal mol
3
Q
`why free rads danger
A
create chain rxn
4
Q
cr polar, non-pol solvents
A
polar= v dif electro -vity, form H bonds w wr 2 dissolve in it
non=similar e -tivity, dont form bonds w wr, eg hydrocarbons
5
Q
cr protic, non protic solvents
A
protic= have H connected to N or O (so have H es tt can be taken away non= no H both polar (can dissolve in wr
6
Q
why weaker nucleophile if react w solvent
A
forms H bonds, so less area w which to react w otr mols
7
Q
ds elimin8 rxn
A
form C=C pi bond from C-C
bk C-H bond
bk C- otr (eg Cl bond