JEE Main & Advanced
Chemistry
Hydrocarbons / हाइड्रोकार्बन
Question Bank
Aromatic Hydrocarbon
question_answer
Which of the following is not o, p?directing group
A)\[-N{{H}_{2}}\]
B)\[-OH\]
C)\[-X\] (halogens)
D)\[-CHO\]
Correct Answer:
D
Solution :
Presence of \[-\,CHO\] decrease electron density at o to p positions. Hence, attack of an electrophile occurs at m-position. Therefore it is Meta directing group.