# Reactions of Aromatic Compounds (overall)

## Exercises: Inductive and Mesomeric Effects of Selected Substituents

Exercise

Which type of effect does every substituent have?

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 A mesomeric effect. An inductive effect. An inductive and a mesomeric effect.
Exercise

Substituents in electrophilic aromatic substitution may be ordered according to which qualities.

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 According to their activity or inactivity, respectively. Substituents in electrophilic aromatic substitution cannot be ordered according to any quality. According to their activating and deactivating qualities.
Exercise

The precise activating and deactivating order of the substituents also depends on the electrophile applied. Due to strong electrostatic repulsion, the $NH3+$ group, for instance, is ...

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 ... particularly activating, when the electrophile is an anion, too. ... particularly deactivating, when the electrophile is a cation, too. ... particularly deactivating, when the electrophile is an anion, too ... particularly activating, when the electrophile is a cation, too.
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