Acids
Which acid definition is the least inclusive?
Arrhenius
Define a Lewis base.
Electron pair donor.
What produces a hydrogen ion (or hydronium ion) in an aqueous solution?
An Arrhenius Acid
What is the difference between a Bronsted-Lowry acid and a Lewis acid?
(Hint: Go back to the definitions!)
A Bronsted-Lowry acid is a proton donor, whereas, a Lewis Acid is an electron pair acceptor.
Identify the compound which is a Bronsted-Lowry base but not an Arrhenius base?
NaOH
KOH
Cu(OH)2
NH3
NH3
Are all Arrhenius acids also Lewis acids?
Are all Lewis acids also Arrhenius acids?
Yes
No
Do free hydrogen ions exist in water?
Explain why or why not.
Nope, the amount of water molecules exceeds the hydrogen ion by a proportion that is too large for the hydrogen to stay isolated.
Identify the base.
Is this a Lewis or Bronsted-Lowry Base?
(Hint: Be careful!)
NH3(aq) + H3O+(aq)<-> NH4+(aq) + H2O(l)
Both!
NH3
Explain how the three acids and bases definitions relate.
Lewis is the most general definition in that it encompasses all the Bronsted-Lowry and Arrhenius acids and bases. All Arrhenius acids fit under the Lewis definition; however, not all Lewis acids fit under the Arrhenius definition.