1. Which compound can exist as cis/trans isomers?
a) propene
b) 1-butene
c) 2-butene
d) 1,2-propadiene
e) all of the above
2. In which of the following compounds would you expect ALL of the atoms to lie in the same plane?
a) propene
b) 2-methylpropene
c) 1,2-propadiene
d) all of them
e) none of them
3. The longest C-C bond in 1,3-pentadiene will be found at
a) C1-C2
b) C2-C3
c) C3-C4
d) C4-C5
4. Which name below is a correct IUPAC name?
a) 1,1-dimethylcyclohexene
b) 2-methylcyclohexene
c) 2,3-dimethylcyclohexene
d) cis-4,5-dimethylcyclohexene
e) 5,5-dimethylcyclohexene
5. How many alkenes of molecular formula C5H10 exist that DO NOT show cis-trans isomerism?
a) 0
b) 1
c) 2
d) 3
e) more than 3