In this file you can find 30 pages of notes for the entire Organic Chemistry section of the AS Level Chemistry course. This applies for year 12, please find other documents in my page. Thank you and good luck with your studies!
,NOMENCLATURE ,
STRUCTURAL AND DISPLAYED FORMULA
Number of carbons Prefix
1 meth-
2
e+ h -
3
prop-
& bond
but
-
Single ane
S
pent- Double bond -
ene
6
nex-
7
hept-
y
Oct -
9
non-
18 dec-
Rules
carbon carbon chain
.
1 Find the longest to
·
2 Identify the side branches
.
3 Circle all the functional groups and identify them
chain that branch with the
highest priority functional
.
4 Number the so the
group
&
has the lowest number possible
.
5 Di- ,
tri- ,
etc used for more than one branch of some kind
.
6 Branches in alphabetical order
.
7 Comma's between numbers e .
.
g 2
,
2 or 2
,
3
numbers from letters and between
.
8 Hyphens separate no
gaps names
N A M 1 N G A L K AN ES
H
↑
H
↑
H
↑
, a↑
H
11230? C -
C C- c
-
- -
H S
1
I I
i
H H H H
H Oc + ane
H C -
H
⑳
I
, ⑪
methyl
H -
C -
H
It H 11
↑
↑ ↑ -
C- C C C H 2-methyl pentance
4
-
1 -
- -
-
23 a S
I I I , I
H H H H
H
H
↑
H -
C - H
6
I
C
H - -
H
H
equel
H H H -
C -
H H
4
↑
d
↑
↑ ↑
C C
H
3-ethylhexane
-
-
- -
c -
C -
H
1 2 3
I , I I
H H
in I H
H
methyl
J
H -
C -
H
H H
H
↑ d
↑ M ↑
H
3-dimethylpentane
13
C
c c
-
n = C - -
2 ,
1 S
! I
H H ↓
H
-
C -
H
I
H
methyl
If
ethyl
↑
H -
C -
H
J
H c H
nu
-
-
H n
M
↑ ↑
↑ ↑ ↑ ↑ n ↑
1
5
- 5-diethyl-3-methylostane
- 3 C 1 4
-
-
-
7 · ,
1
↓ ↓ ↓
'
I
n H -
-
H
H -
C -
H
I
c
P -
methyl
ethyl
&
methyl
methe H
a
n - c -
Hi c -
n
H J ↑
↑
n- Cp
H
?
H
35-4 3
- -
-
18 - dimethyldecane
Cs
,
n - -
H
I
-En e
H
U
E
-
H
↑
-
↑ 2
C -
C
-
H
+ 6
H
-
-
H
↳ e ,
, SKLETAL FORMULA / INTRODUCTION
carbon makes
based c-chain >
organic-molecules
-
on A
↑ BONDS
-
N
common heteroatoms
- 0
, , X
Skele + al Displayed
H
1
C -
H
i
H -
H
~ H
H >
I H
H
n H
!
H
_ C-
i
C
OH ! i
H -
C -
C -
C
1
O
-"
H
n H
I
H
HN
n n
, ,
H C
nc -
H
C
I II
"c
C
H
H
& C
,
H
· +
c
=
p
C c =
"I
-
-
-H
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