NCERT Class XI Chemistry Hydrocarbons Solutions

Question : 22

Total: 25

Arrange the following set of compounds in order of their decreasing relative reactivity with an electrophile, E+.
(a) Chlorobenzene, 2,4-dinitrochlorobenzene, p-nitrochlorobenzene
(b) Toluene, p−H3C–C6H4–NO2, p−O2N–C6H4–NO2

Solution:

Any substituted benzene compound is said to be more reactive towards an electrophile if the substituent on benzene increases electron density on it by electron donation.
Based on this, the given compounds may be arranged as :

Go to Question:

Prev Question

Next Question