Chapter 9, Problem 83A

(a)

Interpretation Introduction

Interpretation: The name of the given compound is to be stated.

Concept Introduction: While naming ionic compounds containing polyatomic ions, the name of the metal is written followed by the name of the anion. The name of the anions ends with ‘-ide’ if there is only one element present, and ends with ‘-ate’ if there is more than one element present.

Answer to Problem 83A

The compound ${\text{LiClO}}_{\text{4}}$ is named lithium perchlorate.

Explanation of Solution

The given compound is an ionic compound with lithium ions $\left({\text{Li}}^{\text{+}}\right)$ and perchlorate ions $\left({\text{ClO}}_{\text{4}}{}^{-}\right)$ . Thus the name of the compound is lithium perchlorate.

(b)

Interpretation Introduction

Interpretation: The name of the given compound is to be stated.

Concept Introduction: While naming ionic compounds containing polyatomic ions, the name of the metal is written followed by the name of the anion. The name of the anions ends with ‘-ide’ if there is only one element present, and ends with ‘-ate’ if there is more than one element present.

Answer to Problem 83A

The name of the given compound is dichlorine monoxide.

Explanation of Solution

The given molecular compound contains two chlorine atoms and one oxygen atom. Hence the name dichlorine monoxide. The prefix ‘di’ is used to denote two and ‘mono’ denotes a single atom of oxygen.

(c)

Interpretation Introduction

Interpretation: The name of the given compound is to be stated.

Concept Introduction: While naming ionic compounds containing polyatomic ions, the name of the metal is written followed by the name of the anion. The name of the anions ends with ‘-ide’ if there is only one element present, and ends with ‘-ate’ if there is more than one element present.

Answer to Problem 83A

The name of the given compound ${\text{HgF}}_{\text{2}}$ is mercuric fluoride.

Explanation of Solution

The compound ${\text{HgF}}_{\text{2}}$ is an ionic compound containing ${\text{Hg}}^{\text{2+}}$ ions and ${\text{F}}^{-}$ ions. To maintain electrical neutrality, two fluoride ions combine with a mercuric ion, but it need not be specified in its name. Hence the name of the compound is mercuric fluoride.

(d)

Interpretation Introduction

Interpretation: The name of the given compound is to be stated.

Concept Introduction: While naming ionic compounds containing polyatomic ions, the name of the metal is written followed by the name of the anion. The name of the anions ends with ‘-ide’ if there is only one element present, and ends with ‘-ate’ if there is more than one element present.

Answer to Problem 83A

The name of the given compound CaO is calcium oxide.

Explanation of Solution

The compound CaO is an ionic compound containing ${\text{Ca}}^{\text{2+}}$ ions and ${\text{O}}^{2-}$ ions. Hence the name of the compound is calcium oxide.

(e)

Interpretation Introduction

Interpretation: The name of the given compound is to be stated.

Concept Introduction: While naming ionic compounds containing polyatomic ions, the name of the metal is written followed by the name of the anion. The name of the anions ends with ‘-ide’ if there is only one element present, and ends with ‘-ate’ if there is more than one element present.

Answer to Problem 83A

The compound ${\text{Ba}}_{\text{3}}{\left({\text{PO}}_{\text{4}}\right)}_{\text{2}}$ is named barium phosphate.

Explanation of Solution

The given compound contains ${\text{Ba}}^{\text{2+}}$ ions and phosphate $\left({\text{PO}}_{\text{4}}{}^{3-}\right)$ ions. Hence the name of the compound is barium phosphate.

(f)

Interpretation Introduction

Interpretation: The name of the given compound is to be stated.

Concept Introduction: While naming ionic compounds containing polyatomic ions, the name of the metal is written followed by the name of the anion. The name of the anions ends with ‘-ide’ if there is only one element present, and ends with ‘-ate’ if there is more than one element present.

Answer to Problem 83A

The name of the compound ${\text{I}}_{\text{2}}$ is diiodine.

Explanation of Solution

The given homonuclear binary molecular compound contains two iodine atoms, hence named diiodine.

(g)

Interpretation Introduction

Interpretation: The name of the given compound is to be stated.

Concept Introduction: While naming ionic compounds containing polyatomic ions, the name of the metal is written followed by the name of the anion. The name of the anions ends with ‘-ide’ if there is only one element present, and ends with ‘-ate’ if there is more than one element present.

Answer to Problem 83A

The compound ${\text{SrSO}}_{\text{4}}$ is named strontium sulphate.

Explanation of Solution

The given compound contains ${\text{Sr}}^{\text{2+}}$ ions and sulphate $\left({\text{SO}}_4{}^{2-}\right)$ ions. Hence the name of the compound is strontium sulphate.

(h)

Interpretation Introduction

Interpretation: The name of the given compound is to be stated.

Concept Introduction: While naming ionic compounds containing polyatomic ions, the name of the metal is written followed by the name of the anion. The name of the anions ends with ‘-ide’ if there is only one element present, and ends with ‘-ate’ if there is more than one element present.

Answer to Problem 83A

The compound ${\text{CuC}}_{\text{2}}{\text{H}}_{\text{3}}{\text{O}}_{\text{2}}$ is named copper(I) acetate.

Explanation of Solution

The given compound comprises Cu(I) ions and acetate ions. So the name of the compound is copper(I) acetate.

(i)

Interpretation Introduction

Interpretation: The name of the given compound is to be stated.

Concept Introduction: While naming ionic compounds containing polyatomic ions, the name of the metal is written followed by the name of the anion. The name of the anions ends with ‘-ide’ if there is only one element present, and ends with ‘-ate’ if there is more than one element present.

Answer to Problem 83A

The name of the compound ${\text{SiCl}}_{\text{4}}$ is silicon tetrachloride.

Explanation of Solution

The given compound contains silicon and four chlorine atoms, hence are named silicon tetrachloride. The prefix ‘tetra’ is used for four.