Activators and Deactivators in Chemistry

Which of the following is an example of an electron-withdrawing group?

Which of the following groups is considered an electron-donating group?

Tags

NGSS.HS-PS1-1

In electrophilic aromatic substitution, which type of group generally increases the reactivity of the aromatic ring?

• Electron-withdrawing groups

• Electron-donating groups

• Halogens

• Alkyl groups

Which of the following is a deactivating group in electrophilic aromatic substitution?

What effect do electron-withdrawing groups have on the reactivity of an aromatic ring in electrophilic aromatic substitution?

• Increase reactivity

• Decrease reactivity

• No effect

• Make the reaction faster

Which of the following is an example of an electron-donating group that activates the aromatic ring?

Which of the following groups is most likely to deactivate an aromatic ring towards electrophilic substitution?

Which of the following is true about electron-donating groups in electrophilic aromatic substitution?

• They make the ring less reactive.

• They stabilize the carbocation intermediate.

• They withdraw electrons from the ring.

• They deactivate the ring.

Which of the following is a characteristic of electron-withdrawing groups?

• They donate electrons to the ring.

• They increase the electron density of the ring.

• They stabilize the negative charge.

• They pull electrons away from the ring.

Which of the following groups is considered a strong deactivator in electrophilic aromatic substitution?