AP Chemistry 8.1 Introduction to Acids and Bases

The following statement is true for arrhenius acid and base EXCEPT

• Arrhenius acid produces H⁺ ions
• Arrhenius base produces OH^- ions
• H₂O need to be present for arrhenius acid base to dissociate
• Hydrogen atoms that make the solution acidic

The following statement is true for Bronsted Lowry Conjugate Acid Base pair EXCEPT

• Bronsted Lowry Acid is a proton donor
• Bronsted Lowry Acid is a electron pair acceptor
• Conjugate acid has 1 hydrogen atom more than base
• Conjugate base has 1 hydroxide more than base

Which of the following shows the correct conjugate acid base pair?

• HCI (acid) / H₃O⁺ (conjugate base)
• HCI (acid) / CI^- (conjugate base)
• HCI (base) / CI^- (conjugate acid)
• HCI (base) / H₃O⁺ (conjugate acid)

Which of the following shows the correct conjugate acid base pair?

• H₂O (base) / H₃O⁺ (conjugate acid)
• H₂O (acid) / CH₃COO^- (conjugate base)
• CH₃COOH (acid) / H₃O⁺ (conjugate base)
• CH₃COOH (base) / CH₃COO^- (conjugate acid)

Which of the following shows the correct conjugate acid base pair?

• SO₃^2-(base) / HSO₃^- (conjugate base)
• HPO₄^2- (acid) / HSO₃^-(conjugate base)
• SO₃^2-(acid) / HSO₃^- (conjugate base)
• HPO₄^2- (acid) / PO₄^3-(conjugate base)

H₂O is amphiprotic, can act as acid or base. Which of the following is TRUE ?

• H₂O is an acid because it is a proton donor
• H₂O is an base because it is a proton acceptor
• H₂O can gain or lose a proton, H⁺
• H₂O can easily form hydronium ion, H₃O⁺

Which of the following is a Monoprotic acid?

• H₂SO₄

• HCl

• NaOH

• H₃PO₄

Which of the following is a triprotic acid?    

• H₂SO₄
• HCl
• CH₃COOH
• H₃PO₄

In the equation HCl(g) + H₂O(l) --> H₃O⁺(aq) + Cl^–(aq), which species is a Brønsted-Lowry acid? 

• HCl
• H₂O
• Cl^–
• None of these

Which of these acids is a diprotic acid?

• HCl

• H₂SO₄

• H₃PO₄