Exploring Lewis Acids and Bases

Which model of acids and bases is considered the most generalized?

• None of the above

• Lewis model

• Arrhenius model

• Bronsted-Lowry model

Which model expanded on the Arrhenius definition of acids and bases?

• None of the above

• Bronsted-Lowry model

• Both A and B

• Lewis model

What does a Lewis acid accept according to the Lewis model?

• Water molecules

• Hydroxide ions

• Electron pairs

• Protons

What is the definition of a base in the Lewis model?

• Electron pair acceptor

• Proton donor

• Proton acceptor

• Electron pair donor

What characteristic does a Lewis base have?

• It donates an electron pair

• It accepts an electron pair

• It donates a proton

• It accepts a proton

What does the Lewis model use to define acids and bases?

• Hydrogen ion concentration

• Proton exchange

• Electron pair exchange

• Oxygen ion concentration

In the reaction between hydroxide ion and H+ ion, what does the hydroxide ion donate?

• A boron trifluoride molecule

• A water molecule

• An electron pair

• A proton

Which compound is an example of a Lewis acid in the reaction with ammonia?

• Hydroxide ion

• Water molecule

• H+ ion

• Boron trifluoride

In the Lewis model, what role does ammonia play in its reaction with boron trifluoride?

• Bronsted-Lowry acid

• Lewis base

• Lewis acid

• Arrhenius base

Which of the following is not a characteristic of a Lewis acid?

• Accepts electron pairs

• Forms a covalent bond by accepting an electron pair

• Donates electron pairs

• Has an empty orbital