Unit 8: Acids & Bases Quiz

Human blood has a pH between 7.35 and 7.45. Which of the following best describes human blood?

• strongly acidic
• slightly acidic
• strongly basic
• slightly basic

Which pair of compounds represents one Arrhenius acid and one Arrhenius base?

• CH₃OH and NaOH

• CH₃OH and HCl

• HNO₃ and NaOH

• HNO₃ and HCl

What is the pH of a solution that has a [H+] of 2.5 x 10^-5?

• 4.61

• 5.00

• 2.50

• 7.00

What is the [H⁺] in a solution with a pH of 11?

• 1 x 10^-1 M

• 1 x 10^-2 M

• 1 x 10¹¹ M

• 1 x 10^-11 M

An Arrhenius acid

• donates H+ to another substance

• accepts H+ from another substance

• produces H+

• produces OH-

A Bronsted Lowry base

• donates H+ to another substance

• accepts H+ from another substance

• produces H+

• produces OH-

What is the conjugate base of H₂SO₄?

• SO₄^2-

• H₂SO₃

• HSO₃^1-

• HSO₄^1-

HBr is the conjugate acid of

• Br^1-

• Br₂

• H₂Br

• none of the above

Which of the following is a strong base?

• NH₃

• Zn(OH)₂

• HCl

• CsOH

Which of the following is a strong acid?

• NaOH

• HCl

• CH₃COOH

• H₂O