how do we
get them ?
Go H22
→
GH4 +
C8H / 8 fractional distillation
Of crude oil structure and isome
-
crude oil is a mixture of
chain isomerism : CH
and the fractional
•
hydrocarbons different carbon chains
TH2
.
✓ → column has a temp gradient .
hydrocarbons of similar chain
•
position isomerism
have similar functional group attached
length boiling different places
so can be collected at
Uses ?
.
points
a
traction Sa
.
\
chain alkanes
long
↑
are
'
cracked
'
into Alk
more useful alkenes .
bet
Alkanes can be reformed
to make
(cyclic or branched )
them better fuels
]
.
I I
✓ /
3
g
free radical substitution
( )
"
.
→
)
ultraviolet
light y f) /
'
,
.
haemolytic
-
fission .
- y -
initiation
Wh
.
I -
C12 → Cl .
-1cL .
A hyd
↓
propagation
.
↓
2- a.
+ CH4 →
CH3A
• + HC1 containin
.CH } + CL2 →
CH3H + Cl . carbon -
functio
termination
catalytic
.
CL2
homolo
3- ( ( ◦ 1- CL . →
Converters .
.
→
get them ?
Go H22
→
GH4 +
C8H / 8 fractional distillation
Of crude oil structure and isome
-
crude oil is a mixture of
chain isomerism : CH
and the fractional
•
hydrocarbons different carbon chains
TH2
.
✓ → column has a temp gradient .
hydrocarbons of similar chain
•
position isomerism
have similar functional group attached
length boiling different places
so can be collected at
Uses ?
.
points
a
traction Sa
.
\
chain alkanes
long
↑
are
'
cracked
'
into Alk
more useful alkenes .
bet
Alkanes can be reformed
to make
(cyclic or branched )
them better fuels
]
.
I I
✓ /
3
g
free radical substitution
( )
"
.
→
)
ultraviolet
light y f) /
'
,
.
haemolytic
-
fission .
- y -
initiation
Wh
.
I -
C12 → Cl .
-1cL .
A hyd
↓
propagation
.
↓
2- a.
+ CH4 →
CH3A
• + HC1 containin
.CH } + CL2 →
CH3H + Cl . carbon -
functio
termination
catalytic
.
CL2
homolo
3- ( ( ◦ 1- CL . →
Converters .
.
→
