Treat 2-fluoropropane with 
to give propene. Which mechanism accounts for this elimination?
A
E 1
B
Elcb (base removes 
first; poor leaving group 
departs second)
first; poor leaving group departs second) C
E 2
D
Text Solution
Verified by ExpertsThe correct answer is:
C
t-BuOK/t-BuOH (strong, bulky base + heat) promotes 
-elimination (dehydrohalogenation) of haloalkanes → alkene via a concerted E2 step; bulky bases favor elimination over substitution. Fluoride is a poor leaving group, disfavoring 
.
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