Acids and Bases ARTICLE

According to the Brønsted-Lowry definition, what do molecules that are acidic have the capacity to do?

• Give away electrons

• Steal protons

• Donate protons

• Accept electrons

What is the chemical formula for acetic acid found in vinegar?

• CH2COOH-C(OH)COOH-CH2COOH

• C6H507(3–)

• C6H807

• CH3COOH

What is the chemical formula for citric acid found in orange juice?

• CH0

• C6H507(3–)

• CH2COOH-C(OH)COOH-CH2COOH

• C2H4O2

According to the Lewis system, what do Lewis acids need to accept?

• Protons

• Electron pairs

• Hydrogen atoms

• Neutrons

What is the chemical formula for ammonia, an example of a base?

• NH3

• H2O

• CO2

• CH4

What do water molecules become when they snag hydrogen protons from an acid?

• Hydronium

• Hydroxide molecules

• Neutral molecules

• Acidic molecules

What do water molecules become when they give up their own protons to a base?

• Hydroxide molecules

• Hydronium

• Acidic molecules

• Neutral molecules

What is the pH of a chemically neutral substance on the pH scale?

• Below 7

• Exactly 7

• Above 7

• Cannot be determined

What color does litmus paper turn for acids?

• Yellow

• Green

• Blue

• Red

What is the strongest acid on the pH scale?

• pH 0

• pH 14

• pH 1

• pH 7