Download organic structures I_key

Name: ______________________________________
Homework 2 OPTIONAL ONLY – not for credit
1.) Identify the longest carbon chain. CIRCLE it!! Number the longest carbon chain. Identify the
substituent groups (if any). Name the species.
CH3CH2CH2CH2CHCH3
CH3
a.
Name: ______2-methylhexane____________________
CH3CH2CHCH2CH2CH2CH3
b.
CH2CH2CH3
Name:______4-ethyloctane_____________________
CH3CHCH3
c.
CH3
Name:________2-methylpropane__________________
2.) Name the following alkenes
a.
b.
H2C CHCH2CH2CH3
Name:_____1-pentene_________________________
CH3CH CHCH3
Name: ___2-butene___________________________
3.) Name the following alkynes
a.
b.
HC CCH2CH2CH2CH2CH3
CH3C CCH2CH2CH3
Name: _____1-heptyne______________________
Name: __2-hexyne_________________________
4.) Name the following alcohols. Number the longest carbon chain. Do not forget to identify the
substituent group (if there is one)! ALSO, identify the type of alcohol as 1o, 2o, or 3o.
CH3CH2CH2CH2CHCH3
OH
a.
Name: ____2-hexanol__________________________
Alcohol Type: ___2o________
CH3CH2CHCH2CH2CH2CH3
CH2CH2CH2OH
b.
Name:__4-ethyl-1-octanol____________________
Alcohol Type: __1o___________
CH3CHOH
c.
CH3
Name: ____2-propanol_________________________
Alcohol Type: ______2o______
5.) Name the following aldehydes and ketones. Indicate if the species is an aldehyde or a ketone
below the chemical species!!
O
a.
H CCH2CH2CH3
Name:_____butanAL___________________________
_____aldehyde: C=O terminal____________________
O
b.
CH3CH2CCH3
Name: _butanone (2 not necessary: no place else it can go
and still have a ketone!_____________
_____ketone: C=O internal__________________________
O
c.
H CCH2CH2CH2CH2CH3
Name: _hexanAL_________________________
_____aldehyde: C=O terminal____________________
O
d.
CH3CH2CH2CCH2CH2CH2CH2CH3
Name: ___4-nonanone___________________
_______ketone: C=O internal___________________________
6.) Name the following alcohols using both naming systems:
a.
CH3CH2CH2CH2CH2CH2OH
Name 1 : _____1-hexanol________________________
Name 2: ___hexyl alcohol__________________________
b.
CH3CH2CH2CH2CH2CH2CH2OH
Name 1:____1-heptanol_______________________
Name 2: _____heptyl alcohol______________
c.
CH3CH2CH2OH
Name 1: ___1-propanol_________________________
Name 2: ____propyl alcohol_________________