Question 1
Which of the following groups would be
ortho, para directors in electrophilic aromatic substitution?
I) -CN
II) -SO
3H
III) -NH
2IV) -OH
V) -Br
◦ III), IV), and V)
◦ II), III),and V)
◦ I), III), and IV)
◦ I), II) and IV)
◦ II), IV) and V)
Question 2
Which of the following is an unsymmetrical reagent?
◦ Cl
2 ◦ H
2O
◦ H
2O and HCl
◦ HCl
◦ I
2