BL PPT Ch 4

Multiple Choice

Would the following compound dissolve or dissociate?

NaCl

• Dissolve

• Dissociate

Multiple Choice

Would the following compound dissolve or dissociate?

NaOH

• Dissolve

• Dissociate

Multiple Choice

Why is water often referred to as the 'universal solvent' in chemistry?

• Because it dissolves more substances than any other liquid

• Because it is the most abundant liquid on Earth

• Because it is always neutral in pH

• Because it is used in all chemical reactions

Multiple Choice

Which of the following statements best describes how ionic compounds dissolve in water?

• They dissociate into ions surrounded by water molecules.

• They remain as intact molecules.

• They react with water to form new substances.

• They do not interact with water at all.

Multiple Choice

Would the following compound dissolve or dissociate?

CO₂

• Dissolve

• Dissociate

Multiple Choice

Would the following compound dissolve or dissociate?

Br₂

• Dissolve

• Dissociate

​SNAP
All sodium, potassium, ammonium, and nitrate salts are soluble in water.


These are the only ones that need to be memorized for the AP Test!

Fill in the Blanks

Not all ionic compounds dissolve in water. The set of guidelines used to determine which ionic compounds will dissolve is called the

rules.

Open Ended

What is a precipitate and how is it formed during precipitation reactions?

Multiple Choice

In the reaction AgNO3(aq) + KCl(aq) → AgCl(s) + KNO3(aq), which product is the solid that forms as a result of the exchange reaction?

• AgCl

• KNO3

• AgNO3

• KCl

Fill in the Blanks

In a net ionic equation, the ions that do not participate in the reaction are called

ions.

​ OIL RIG

Oxidation Is a Loss of electron
Reduction Is a Gain in electrons

Multiple Select

Which of the following statements about oxidation-reduction (redox) reactions are correct?

• Loss of electrons is oxidation.

• Gain of electrons is reduction.

• Oxidation and reduction can occur independently.

• Redox reactions involve the transfer of electrons.