Choose substituents A and B (listed in order below) for the following compound which would give a Z
isomer.
a. Br, NHCH3b. F, CHOc. I, OCH3d. COOH, CH2NH2e. Br, COOH
Question 2Choose a correct name for
a. (E)-2-bromo-l-chloropropene
b. (Z)-2-bromo-l-chloropropene
c. 2-bromo-l-chloro-trans-propene
d. 2-bromo-l-chloro-cis-propene
e. none of these
Question 3Which of the following must be named according to the E/Z system?
Question 4Assign the compounds (from left to right) as Z or E.
a. Z, Z
b. Z, E
c. E, Z
d. E, E
e. neither is E nor Z
Question 5Which group has the highest priority (in the Cahn-Ingold-Prelog system)?
Question 6Which of the following can exist as cis/trans isomers?
Question 7Which compound can exist as geometric isomers?
