Zero Acid & Base Pop Quiz 1: Properties, Reactions & Theories.

What is the conjugate base of the hydronium ion?

• OH^-1

• H⁺¹

• H₂O

• H₃O⁺¹

A strong acid

• Ionizes completely in solution.

• Produces hydronium ions in solution.

• Reacts with metals that are more active than hydrogen.

• All of the above.

All Bronsted-Lowry acids.

• Can act as Lewis acid.

• Can act as Arrhenius acids.

• Donate protons.

• All of the above.

Which of the following is both a Bronsted-Lowry acid and an Arrhenius acid?

• NH_3(s)

• H₂O_(l)

• HCl_(g)

• HC₂H₃O_2(aq)

The conjugate acid of the chloride ion is

• Cl₂

• H⁺¹

• HCl

• H₃O⁺¹

A conjugate acid is an acid that forms when

• The acid gains a proton.

• A base loses a proton.

• A base gains a proton.

• An atom accepts an electron pair.

Which of the following characteristics describe a base?

• Reacts with oils in the skin and converts them to acids.

• Forms alkaline solutions.

• Is a non-electrolyte.

• None of the above.

Which of the following substance is a weak base?

• Ammonia

• Potassium hydroxide

• Potassium oxide

• Sodium hydroxide

Strong acids are

• Strong electrolytes

• Weak electrolytes

• Non-electrolytes

• Non-ionized

In the reaction below, which substance acts as a Bronsted-Lowry acid? HCl_(aq) + NH_3(aq) <----> NH₄⁺¹_(aq) + Cl^-1_(aq)

• HCl

• NH₃

• NH₄⁺¹

• Cl^-1