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first step of radical halogenation
initiation
In initiation, both radicals are on the (left/right) side of the equation.
right
second step of radical halogenation
propagation
In propagation, the radicals are on (opposite/same) sides.
opposite
third step of radical halogenation
termination
In termination, both radicals are on the (left/right) side of the equation.
left
Bromination steps prefer (primary/secondary/tertiary) carbons.
tertiary
The ratio for chlorination is..
primary:secondary:tertiary = 1:___:___
4, 5
The ratio for bromination is…
primary:secondary:tertiary: = 1:___:___
80, 1700
The least selective halogen is:
fluorine
The most selective halogen is:
iodine
The ratio for fluorination is…
primary:secondary:tertiary = 1:___:___
1.2, 1.4
Fluorine is the least selective because the reaction is very (exothermic/endothermic).
exothermic
Exothermic reactions tend to have (large/small) activation energies and (late/early) transition states that resemble the (reactants/products).
small, early, reactants
