Which of the following is an ortho- and para- director?
a. NO2 b. NH2
c. CN d. CO2CH3
Question 2
Which of the following could successfully undergo a Friedel-Crafts alkylation? Assume an appropriate catalyst.
a. chlorobenzene reacting with benzene
b. 2-chloroethene reacting with benzene
c. 2-chloropropane reacting with benzaldehyde
d. 2-chlorobutane reacting with benzene