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!

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

​ 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.