Chapter 4, Problem 4.39P

(a)

Interpretation Introduction

Interpretation:

The following combination leads to a precipitation reaction or not is to be determined and spectator ions are to be identified.

$\text{Calcium}\text{nitrate}\left(aq\right)+\text{sodium}\text{chloride}\left(aq\right)\to$

Concept introduction:

Precipitation reaction involves the reaction of two soluble ionic compounds to form an insoluble product. The insoluble product is known as a precipitate.

The reason for the precipitation reaction to occur is the formation of a product that is insoluble in nature.

Spectator ions are the ions that are not a part of the actual chemical change but are present in the reaction mixture to balance the charge on both sides of the reaction. They are represented in the total ionic reaction. These are the dissolved ions present in the reaction mixture.

(b)

Interpretation Introduction

Interpretation:

The following combination leads to a precipitation reaction or not is to be determined and spectator ions are to be identified.

$\text{Potassium}\text{chloride}\left(aq\right)+\text{lead}\left(\text{II}\right)\text{nitrate}\left(aq\right)\to$

Concept introduction:

Precipitation reaction involves the reaction of two soluble ionic compounds to form an insoluble product. The insoluble product is known as a precipitate.

The reason for the precipitation reaction to occur is the formation of a product that is insoluble in nature.

Spectator ions are the ions that are not a part of the actual chemical change but are present in the reaction mixture to balance the charge on both sides of the reaction. They are represented in the total ionic reaction. These are the dissolved ions present in the reaction mixture.