L1 /   
10
CH1012
SN1 vs SN2 ALCOHOLS
• The 3o alcohols
favour the SN1 rxn.
• The 1o alcohols
favour the SN2 rxn.
• Again it is a balance
of steric factors (SN2)
& electronic factors
(SN1) that determine
which mechanism
occurs.
• Reactivity
     HI > HBr > HCl