alkanes
single bonds only
alkane alkene alkyne
=
# of C # of H name
methane
·
s
ethane
Maru
Propane
butane
Eats
10
12 pentane Peas
6 14 nexane Before
Playing
what happens for branched alkenes ? Hockey
-
& carbons -
total
key step !
- identify longest carbon chain
6 carbons long , "hexane"
,
-
methyl group on the 3rd carbon
NAME :
3-methyl hexane
3rd
carbon
↑
this is also M
3-methyl hexane
T
4th carbon
5th
carbon
Octane
methyl
e + hy1
3 . 5-methyl-4-ethyl-octane
, structural isomers ("constitutional isomers" (
same molecular formula different
, single-bond
connectivity
CsHiz (pentane)
how does nomenclature help distinguish structural
isomers ?
nexane 3-methyl
Pentane
2-methyl 2-methyl
pentane pentane
-
enantiomers
(mirror images (
this is the end of
Midterm 1 material
single bonds only
alkane alkene alkyne
=
# of C # of H name
methane
·
s
ethane
Maru
Propane
butane
Eats
10
12 pentane Peas
6 14 nexane Before
Playing
what happens for branched alkenes ? Hockey
-
& carbons -
total
key step !
- identify longest carbon chain
6 carbons long , "hexane"
,
-
methyl group on the 3rd carbon
NAME :
3-methyl hexane
3rd
carbon
↑
this is also M
3-methyl hexane
T
4th carbon
5th
carbon
Octane
methyl
e + hy1
3 . 5-methyl-4-ethyl-octane
, structural isomers ("constitutional isomers" (
same molecular formula different
, single-bond
connectivity
CsHiz (pentane)
how does nomenclature help distinguish structural
isomers ?
nexane 3-methyl
Pentane
2-methyl 2-methyl
pentane pentane
-
enantiomers
(mirror images (
this is the end of
Midterm 1 material