9. For the pair of molecules below, circle the most stable. Briefly explain your answer. (3 points)
H
H
and
H
10. Label the molecules below as constitutional isomers, conformational isomers,
stereoisomers, or identical. (3 points)
a)
Br
Br
and
CH$_3$
CH$_3$
CH$_3$
CH$_3$
CH$_3$
and
OH
OH
c)
and
OH
OH