R-AECHE-41
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Properties of Alkanes
3-ethylhexane
C8H18
C4H9
Chemical Properties:
Combustion, alkanes are commonly used as fuels.
Substitution reaction
$C_2H_6$ + $Br_2$ $\rightarrow (UV light)$ $C_2H_5Br$ + $HBr$
In the absence of light, reaction does not occur.
You need UV light for the reaction to occur.
Note the name of the produced is bromoethane
$C_{2}H_{5}Br + Br_{2} \rightarrow C_2H_{4}Br_{2} + HBr$
We cannot predict where the second bromine will be located. This is
uncontrollable
.
For example, it could be 1,1-dibromoethane or 1,2-dibromoethane
First carbon is the one with interesting things happening around it.
