Chapter 7, Problem 22CR

Interpretation Introduction

(a)

Interpretation:

Balanced equation for two examples of precipitation reactions should be given.

Concept Introduction:

If in any reaction formation of solid takes place from the aqueous solution, the reaction is known as precipitation reaction.

Interpretation Introduction

(b)

Interpretation:

Balanced equation for two examples of single displacement reactions should be given.

Concept Introduction:

The reaction in which aqueous solution of one substance reacts with aqueous solution of other substance in such a way that one of the ions replaces the ion in other substance is known as a displacement reaction.

Interpretation Introduction

(c)

Interpretation:

Balanced equation for two examples of combustion reactions should be given.

Concept Introduction:

Combustion reactions are defined as reaction of compounds with oxygen rapidly producing energy as heat.

Interpretation Introduction

(d)

Interpretation:

Balanced equation for two examples of synthesis reactions should be given.

Concept Introduction:

When a given compound is prepared using simpler materials, we call it a synthesis reaction. The reactants may be elements or compounds.

Interpretation Introduction

(e)

Interpretation:

Balanced equation for two examples of Oxidation-reduction reactions should be given.

Concept Introduction:

Driving force that tends an oxidation-reduction reaction to happen is transfer of electrons between atoms or ions. Atoms or which lose electrons are oxidized and atoms or ions which take up those electrons are reduced.

Interpretation Introduction

(f)

Interpretation:

Balanced equation for two examples of Decomposition reactions should be given.

Concept Introduction:

When compounds are broken down to simpler compounds or all the way to its elements, it is called a decomposition reaction.

Interpretation Introduction

(g)

Interpretation:

Balanced equation for two examples of acid-base neutralization reactions should be given.

Concept Introduction:

Acid-base neutralization reaction represents the reaction of acid and base to give salt and water. Acid is a substance that gives H+ ion in the aqueous solution and base is a substance that gives hydroxide ion in the aqueous solution. The hydrogen ion from acid and hydroxide ion from base reacts to give water. Similarly, the conjugate base from acid and conjugate acid from base reacts to give salt.

The general acid base reaction is as follows:

$\text{HA}+\text{BOH}\to \text{HA}+{\text{H}}_{\text{2}}\text{O}$

The pH of a solution after neutralization reaction is 7.