Introduction to Acids and Bases

According to Arrhenius, what is the definition of an ACID?

• a substance that contains hydroxide and ionizes to produce OH-

• a substance that contains hydrogen and ionizes to produce H+

• a substance that contains hydrogen and ionizes to produce OH-

• a substance that contains hydroxide and ionizes to produce H+

What is being donated/accepted between conjugate acid-base pairs?

• a hydrogen (H+) ion

• a hydroxide (OH-) ion

• water

• a neutron

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 are properties of acids but not bases? Select all that apply.

• Changes the color of an indicator

• Sour taste

• Reacts with metals to produce hydrogen gas

• Feels slippery

According to Bronsted-Lowry, what is the definition of an BASE?

• a substance that donates a hydrogen (H+) ion

• a substance that donates a hydroxide (OH-) ion

• a substance that accepts a hydrogen (H+) ion

• a substance that accepts a hydroxide (OH-) ion

Which of the following is an Arrhenius Acid?

• LiOH

• CO₃^2-

• OH^-

• H₃PO₄

If a solution is basic which ion will be more present?

• H+

• K+

• OH-

• H-

An arrhenius base

• produces hydroxide ions in a solution

• is a proton donor

• produces hydrogen ions in a solution

• is a proton acceptor

Which has a pH below 7?

• Acid

• Base

When the polyatomic ion in an acid ends in -ite, the root name of the polyatomic ion is followed the ending -_____.

• ide

• ic

• ous

• ite