Acids-Bases

A proton (H⁺) acceptor

• Lewis Base

• Arrhenius Base

• Bronstead-Lowry Base

• Bronstead-Lowry Acid

A proton (H⁺) donator

• Lewis Base

• Arrhenius Base

• Bronstead-Lowry Base

• Bronstead-Lowry Acid

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)

Tags

NGSS.HS-PS1-2

H₂O is amphoteric, 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⁺

What is the conjugate acid in the following equation?

• PO₄^3- 
• HNO₃ 
• NO₃^- 
• HPO₄^2-
  

What is the conjugate base in the following reaction?

• HCO₃^- 
• HCl
•  H₂CO₃ 
• ^Cl-

Tags

NGSS.HS-PS1-2

If a solution is basic which ion will have a larger concentration?

• H⁺

• K⁺

• OH^-

• H^-

If a solution is acidic which ion will have a larger concentration?

• H+

• K+

• OH-

• H-