Question 1
Which of the following conditions must be met for a ring system to be classified as aromatic according to Hückel’s rule?
Question 2
Which group is a meta-director in electrophilic aromatic substitution reactions?
Question 3
Which of the following best describes the role of $FeCl_3$ in the chlorination of benzene?
Question 4
Which of the following is a correct example of an electrophilic substitution reaction of benzene?
Question 5
Which of the following is the correct structure of the electrophile formed during the nitration of benzene?
