Chapter 4, Problem 43A

(a)

Interpretation Introduction

Interpretation: The simple binary ionic compound BeO needs to be named.

Concept introduction: Binary ionic compound: A two-element compound consisting of a cation and an anion

Answer to Problem 43A

Beryllium oxide.

Explanation of Solution

Rules for naming these compounds:

Type-I:

1. Name of metal cation is written as name of element.
2. Name of anion is written using root name and adding ‘ide’ to it.
3. Writing these names in the same sequence gives the name of compound.

	Cation	Cation Name	Anion	Anion Name	Name of the compound
a	${\text{Be}}^{\text{2+}}$	Beryllium	${\text{O}}^{\text{2-}}$	Oxide	Beryllium oxide

(b)

Interpretation Introduction

Interpretation: The simple binary ionic compound MgI₂needs to be named.

Concept introduction: Binary ionic compound: A two-element compound consisting of a cation and an anion

Answer to Problem 43A

Magnesium Iodide.

Explanation of Solution

Rules for naming these compounds:

Type-I:

1. Name of metal cation is written as name of element.
2. Name of anion is written using root name and adding ‘ide’ to it.
3. Writing these names in the same sequence gives the name of compound.

Cation	Cation Name	Anion	Anion Name	Name of the compound
${\text{Mg}}^{\text{2+}}$	Magnesium	${\text{I}}^{-}$	Iodide	Magnesium Iodide

(c)

Interpretation Introduction

Interpretation: The simple binary ionic compound Na₂S needs to be named.

Concept introduction: Binary ionic compound: A two-element compound consisting of a cation and an anion

Answer to Problem 43A

Sodium sulfide

Explanation of Solution

Rules for naming these compounds:

Type-I:

1. Name of metal cation is written as name of element.
2. Name of anion is written using root name and adding ‘ide’ to it.
3. Writing these names in the same sequence gives the name of compound.

Cation	Cation Name	Anion	Anion Name	Name of the compound
${\text{Na}}^{\text{+}}$	Sodium	${\text{S}}^{\text{2-}}$	Sulfide	Sodium sulfide

(d)

Interpretation Introduction

Interpretation: The simple binary ionic compound Al₂O₃ needs to be named.

Concept introduction: Binary ionic compound: A two-element compound consisting of a cation and an anion

Answer to Problem 43A

Aluminum oxide

Explanation of Solution

Rules for naming these compounds:

Type-I:

1. Name of metal cation is written as name of element.
2. Name of anion is written using root name and adding ‘ide’ to it.
3. Writing these names in the same sequence gives the name of compound.

Cation	Cation Name	Anion	Anion Name	Name of the compound
${\text{Al}}^{\text{3+}}$	Aluminum	${\text{O}}^{\text{2-}}$	Oxide	Aluminum oxide

(e)

Interpretation Introduction

Interpretation: The simple binary ionic compound HCl needs to be named.

Concept introduction: Binary ionic compound: A two-element compound consisting of a cation and an anion

Answer to Problem 43A

Hydrochloric acid

Explanation of Solution

Rules for naming these compounds:

Type-I:

1. Name of metal cation is written as name of element.
2. Name of anion is written using root name and adding ‘ide’ to it.
3. Writing these names in the same sequence gives the name of compound.

Cation	Cation Name	Anion	Anion Name	Name of the compound
H+	Hydrogen	${\text{Cl}}^{-}$	Chloride	Hydrogen chloride

(f)

Interpretation Introduction

Interpretation: The simple binary ionic compound LiF needs to be named.

Concept introduction: Binary ionic compound: A two-element compound consisting of a cation and an anion

Answer to Problem 43A

Lithium fluoride

Explanation of Solution

Rules for naming these compounds:

Type-I:

1. Name of metal cation is written as name of element.
2. Name of anion is written using root name and adding ‘ide’ to it.
3. Writing these names in the same sequence gives the name of compound.

Cation	Cation Name	Anion	Anion Name	Name of the compound
${\text{Li}}^{\text{+}}$	Lithium	${\text{F}}^{\text{-}}$	Fluoride	Lithium fluoride

(g)

Interpretation Introduction

Interpretation: The simple binary ionic compound Ag₂S needs to be named.

Concept introduction: Binary ionic compound: A two-element compound consisting of a cation and an anion

Answer to Problem 43A

Silver sulfide.

Explanation of Solution

Rules for naming these compounds:

Type-I:

1. Name of metal cation is written as name of element.
2. Name of anion is written using root name and adding ‘ide’ to it.
3. Writing these names in the same sequence gives the name of compound.

Cation	Cation Name	Anion	Anion Name	Name of the compound
${\text{Ag}}^{\text{+}}$	Silver	${\text{S}}^{\text{2-}}$	Sulfide	Silver sulfide

(h)

Interpretation Introduction

Interpretation: The simple binary ionic compound CaH₂ needs to be named.

Concept introduction: Binary ionic compound:A two-element compoundconsisting of a cation andan anion

Answer to Problem 43A

Calcium hydride

Explanation of Solution

Rules for naming these compounds:

Type-I:

1. Name of metal cation is written as name of element.
2. Name of anion is written using root name and adding ‘ide’ to it.
3. Writing these names in the same sequence gives the name of compound.

Cation	Cation Name	Anion	Anion Name	Name of the compound
${\text{Ca}}^{\text{2+}}$	Calcium	${\text{H}}^{\text{-}}$	Hydride	Calcium hydride