Write a structural formula for each of the following compounds:
a. 1-methylcyclohexanol
b. p-bromophenol
c. 2,3-butanediol
d. 2,2-dimethyl-1-butanol
e. sodium ethoxide
f. cis-2-methylcyclopentanol
g. (S)-2-butanethiol
h. 2-phenylpropanol
i. 2-methyl-2-propen-1-ol
j. 2-cyclohexenol