Which of the following sets of substituents are all meta ...

[ts19998]

Which of the following sets of substituents are all meta directing in electrophilic aromatic substitution reactions?
 a. CN, NO2, COCH3
  b. CH3, OCH3, COCH3
  c. Cl, NH2, CH3
  d. CH3, NH3, OCH3

Question 2

Which of the following sets of substituents are all ortho/para directing in electrophilic aromatic substitution reactions?
 a. Br, CH3, NO2
  b. CH3, NH2, Br
  c. Cl, OCH3, COCH3
  d. NO2, COCH3, COOH

[Chou]

Answer to Question 1

a

Answer to Question 2

b

[ts19998]

Thanks for the timely response, appreciate it

[komodo7]

Gracias!