Chapter 5, Problem 19Q

(a)

Interpretation Introduction

Interpretation:

$K{C}_2{H}_3{O}_2$ has to be named.

Concept Introduction:

Ionic compound is formed from a metal and a non-metal.  Metal forms a cation while non-metal forms an anion.  Ionic compound is composed of ions present in fixed proportions.  They gave a regular geometric structure and are arranged in regular manner.

Ionic compound may also contain polyatomic anion.  Polyatomic anion is a single ion.

Ionic compounds are named in a way that the cation name is given first followed by the anion name with a space between cation name and anion name.  For the anion name, suffix “-ide” will be added.

If the polyatomic anion contains oxygen, then suffix “-ate” is added.

Explanation of Solution

Given compound is $K{C}_2{H}_3{O}_2$.  This contains potassium as cation and a polyatomic anion.  Polyatomic anion is found to be acetate.  This is classified as an ionic compound.  Ionic compound is named by the cation name followed by the anion name.  Considering this, the name of $K{C}_2{H}_3{O}_2$ can be given as potassium acetate.

Conclusion

Name of $K{C}_2{H}_3{O}_2$ is given.

(c)

Interpretation Introduction

Interpretation:

$LiOH$ has to be named.

Concept Introduction:

Ionic compound is formed from a metal and a non-metal.  Metal forms a cation while non-metal forms an anion.  Ionic compound is composed of ions present in fixed proportions.  They gave a regular geometric structure and are arranged in regular manner.

Ionic compound may also contain polyatomic anion.  Polyatomic anion is a single ion.

Ionic compounds are named in a way that the cation name is given first followed by the anion name with a space between cation name and anion name.  For the anion name, suffix “-ide” will be added.

If the polyatomic anion contains oxygen, then suffix “-ate” is added.

Explanation of Solution

Given compound is $LiOH$.  This contains lithium as cation and a polyatomic anion.  Polyatomic anion is found to be $O{H}^{-}$.  This alone is named as hydroxide ion.  Considering this, the name of $LiOH$ can be given as lithium hydroxide.

Conclusion

Name of $LiOH$ is given.

(c)

Interpretation Introduction

Interpretation:

$CoO$ has to be named.

Concept Introduction:

Ionic compound is formed from a metal and a non-metal.  Metal forms a cation while non-metal forms an anion.  Ionic compound is composed of ions present in fixed proportions.  They gave a regular geometric structure and are arranged in regular manner.

Ionic compound may also contain polyatomic anion.  Polyatomic anion is a single ion.

Ionic compounds are named in a way that the cation name is given first followed by the anion name with a space between cation name and anion name.  For the anion name, suffix “-ide” will be added.

If the polyatomic anion contains oxygen, then suffix “-ate” is added.

Explanation of Solution

Given compound is $CoO$.  This contains cobalt as cation and an oxygen anion.  This is classified as an ionic compound.  Ionic compound is named by the cation name followed by the anion name.  Considering this, the name of $CoO$ can be given as Cobalt oxide.

Conclusion

Name of $CoO$ is given.

(d)

Interpretation Introduction

Interpretation:

$ZnS$ has to be named.

Concept Introduction:

Ionic compound is formed from a metal and a non-metal.  Metal forms a cation while non-metal forms an anion.  Ionic compound is composed of ions present in fixed proportions.  They gave a regular geometric structure and are arranged in regular manner.

Ionic compound may also contain polyatomic anion.  Polyatomic anion is a single ion.

Ionic compounds are named in a way that the cation name is given first followed by the anion name with a space between cation name and anion name.  For the anion name, suffix “-ide” will be added.

If the polyatomic anion contains oxygen, then suffix “-ate” is added.

Explanation of Solution

Given compound is $ZnS$.  This contains zinc as cation and sulfur anion.  This is classified as an ionic compound.  Ionic compound is named by the cation name followed by the anion name.  Considering this, the name of $ZnS$ can be given as Zinc sulfide.

Conclusion

Name of $ZnS$ is given.

(e)

Interpretation Introduction

Interpretation:

$Ca{(ClO)}_2$ has to be named.

Concept Introduction:

Ionic compound is formed from a metal and a non-metal.  Metal forms a cation while non-metal forms an anion.  Ionic compound is composed of ions present in fixed proportions.  They gave a regular geometric structure and are arranged in regular manner.

Ionic compound may also contain polyatomic anion.  Polyatomic anion is a single ion.

Ionic compounds are named in a way that the cation name is given first followed by the anion name with a space between cation name and anion name.  For the anion name, suffix “-ide” will be added.

If the polyatomic anion contains oxygen, then suffix “-ate” is added.

Explanation of Solution

Given compound is $Ca{(ClO)}_2$.  This contains calcium as cation and a polyatomic anion.  Polyatomic anion is found to be hypochlorite.  This is classified as an ionic compound.  Ionic compound is named by the cation name followed by the anion name.  Considering this, the name of $Ca{(ClO)}_2$ can be given as calcium hypochlorite.

Conclusion

Name of $Ca{(ClO)}_2$ is given.

(f)

Interpretation Introduction

Interpretation:

$N{a}_{2}S{O}_4$ has to be named.

Concept Introduction:

Ionic compound is formed from a metal and a non-metal.  Metal forms a cation while non-metal forms an anion.  Ionic compound is composed of ions present in fixed proportions.  They gave a regular geometric structure and are arranged in regular manner.

Ionic compound may also contain polyatomic anion.  Polyatomic anion is a single ion.

Ionic compounds are named in a way that the cation name is given first followed by the anion name with a space between cation name and anion name.  For the anion name, suffix “-ide” will be added.

If the polyatomic anion contains oxygen, then suffix “-ate” is added.

Explanation of Solution

Given compound is $N{a}_{2}S{O}_4$.  This contains sodium as cation and a polyatomic anion.  Polyatomic anion is found to be sulfate.  This is classified as an ionic compound.  Ionic compound is named by the cation name followed by the anion name.  Considering this, the name of $N{a}_{2}S{O}_4$ can be given as sodium sulfate.

Conclusion

Name of $N{a}_{2}S{O}_4$ is given.

(g)

Interpretation Introduction

Interpretation:

$MnC{l}_2$ has to be named.

Concept Introduction:

Ionic compound is formed from a metal and a non-metal.  Metal forms a cation while non-metal forms an anion.  Ionic compound is composed of ions present in fixed proportions.  They gave a regular geometric structure and are arranged in regular manner.

Ionic compound may also contain polyatomic anion.  Polyatomic anion is a single ion.

Ionic compounds are named in a way that the cation name is given first followed by the anion name with a space between cation name and anion name.  For the anion name, suffix “-ide” will be added.

If the polyatomic anion contains oxygen, then suffix “-ate” is added.

Explanation of Solution

Given compound is $MnC{l}_2$.  This contains manganese as cation and an anion.  This is classified as an ionic compound.  Ionic compound is named by the cation name followed by the anion name.  Considering this, the name of $MnC{l}_2$ can be given as manganese chloride.

Conclusion

Name of $MnC{l}_2$ is given.

(h)

Interpretation Introduction

Interpretation:

$K_{2}O$ has to be named.

Concept Introduction:

Ionic compound is formed from a metal and a non-metal.  Metal forms a cation while non-metal forms an anion.  Ionic compound is composed of ions present in fixed proportions.  They gave a regular geometric structure and are arranged in regular manner.

Ionic compound may also contain polyatomic anion.  Polyatomic anion is a single ion.

Ionic compounds are named in a way that the cation name is given first followed by the anion name with a space between cation name and anion name.  For the anion name, suffix “-ide” will be added.

If the polyatomic anion contains oxygen, then suffix “-ate” is added.

Explanation of Solution

Given compound is $K_{2}O$.  This contains potassium as cation and an oxygen anion.  This is classified as an ionic compound.  Ionic compound is named by the cation name followed by the anion name.  Considering this, the name of $K_{2}O$ can be given as Potassium oxide.

Conclusion

Name of $K_{2}O$ is given.