Chemistry: Acids, Bases and Equilibrium

An Arrhenius acid:

• donates H+ to another substance

• accepts H+ from another substance

• produces H+

• produces OH-

A Bronsted Lowry acid:

• donates H+ to another substance

• accepts H+ from another substance

• produces H+

• produces OH-

HSO₄^- + H₂O → H₃O⁺ +SO₄^2-

Identify the Bronsted Lowry Acid in the above reaction.

• HSO₄^-

• H₂O

• H₃O⁺

• SO₄^2-

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)

Four substances were tested for pH: lemon juice (pH 2), baking soda (pH 9), bleach (pH 12), and milk (pH 6). Rank these 4 substances from most basic to most acidic?

• lemon juice, milk, baking soda, bleach

• bleach, baking soda, milk, lemon juice

• milk, lemon juice, baking soda, bleach

• baking soda, bleach, lemon juice, milk

KOH will release which ion?

• OH-
• H+
• OH+
• H-

What is the conjugate acid in the following equation?

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

Given the reaction above, which compound is the bronsted-Lowry Acid?

• NH₃

• HCl

• NH₄⁺

• Cl^-

Given the reaction above, which compound is the bronsted-Lowry Conjugate base, if HCl is the acid?

• NH₃

• NH₄⁺

• Cl^-

Which reactant in the following equation is a Bronsted acid?

• ammonium
• ammonia
• hydroxide
• water