Alcohol
R - OH
Phenol
Ar - OH
Aromatic (Ar)
Benzene (C6H6) Ring
Thiol
R - SH
Hydroxyl Group
-OH
Sulfhydryl Group
-SH
Ether
R - O - R
Epoxide
~Oxygen~ (oxacyclopropane)
/ \
R - C — C - R
Ketone
R
\
C = O
/
R
Carbonyl Group
-C=O
Aldehyde
R
\
C = O
/
H
Carboxyl Group
-COOH
Carboxylic Acid
R
\
C = O
/
OH
Ester
R
\
C = O
/
O
\
R
Amide
R
\
C = O
/
NH2
Amino Group
-NH2
Nitrile
R - C = N (Triple Bond between C and N)
Cyano Group
-CN (Triple Bond between C and N)
Nitroalkane
R - NO2
Nitro Group
-NO2