Identify the functional groups in the following molecules.
(Use names from the table below. List each class of functional group only once. If there are fewer than 3 functional groups, leave an appropriate number of answer boxes empty.)
a)
\hspace{1cm}O
\hspace{1cm}||
N-C-CH$_3$
b)
HO-CH$_3$
Structures of Some Common Functional Groups
Name Structure Name Structure
Alkene C=C Nitro $R-NO_2$
Alkyne -C≡C- Thiol $R-SH$
Arene Aldehyde $R-CHO$
Halide $R-X$ ($X = F, Cl, Br, I$) Ketone $R-CO-R$
Alcohol $R-OH$ Carboxylic Acid $R-COOH$