Among the following groups, 2, 3, and 5 are meta-directing. 1 . Cl 2 . NO2 3 . SO3H 4 . CH3 5 . COCH3
a. True
b. False
Indicate whether the statement is true or false
Question 2
All of the following can act as an electrophile in an electrophilic aromatic substitution reaction. SO3 (CH3)3C+ NO2+
a. True
b. False
Indicate whether the statement is true or false
Question 3
Which of the following is not true about benzynes?
a. They are planar
b. They are formed upon dehydrohalogenation of aryl halides
c. They are aromatic
d. They are intermediates in nucleophilic aromatic substitution reaction which take place by an addition-elimination mechanism