Problems and exercisesDirecting Effects
1. Energy diagrams
Give a real example of the nitration of a monosubstituted benzene for each of the qualitative energy diagrams. Take the energy profile of the nitration of benzene as reference.

2. Activating or deactivating?
Classify these groups as activating or deactivating and as ortho-para or meta directors: –OCH3, –CHO, –Br, –CH2CH3, –SO3H, –NHCOCH3, –CN.