Exams › JEE Main › Chemistry

Which substituent lowers the reactivity of a benzene ring toward electrophilic substitution, yet still mainly directs a new group to the ortho and para positions?

1. –NH2
2. –NO2
3. –Cl
4. –C2H5

Correct answer: –Cl

Solution

-Cl deactivates the ring (electron-withdrawing -I) yet directs o,p (lone-pair resonance donation). -NO2 deactivates but is meta-directing, so the stored answer is wrong.

Related JEE Main Chemistry questions

• Lactic acid loses its optical activity when the hydroxyl group is replaced by hydrogen because
• Which is the most suitable technique for separating a mixture of sugars?
• Which statement correctly compares the staggered and eclipsed conformations of ethane?
• Which statement correctly describes a common feature shared by optical and geometrical isomerism?
• Among the following substances, which has the greatest affinity for a proton?
• When chlorobenzene (C6H5Cl) undergoes sulphonation, which product is obtained?

⚔️ Practice JEE Main Chemistry free + battle 1v1 →