L1 /
9
CH1012
GENERAL GUIDE
Haloalkane Mechanism Features
primary SN2 low
steric
RCH2X hinderance
& relatively
unstable C+
RCH2X hinderance
& relatively
unstable C+
secondary SN1 intermediate
R2CHX or steric hind.
SN2 & relative
stability of C+
R2CHX or steric hind.
SN2 & relative
stability of C+
vary
conditions
push either
way
conditions
push either
way
tertiary SN1 relatively
R3CX stable C+ &
high steric
hind.
R3CX stable C+ &
high steric
hind.
