Chapter 3, Problem 36P

Interpretation Introduction

(a)

Interpretation:

The name of ionic compound NaF should be determined.

Concept Introduction:

Ionic compounds are formed when an electropositive atom (cation) combines with electronegative atom (anion).

The name of ionic compounds is written by writing the name of cation first followed by the name of anion. The name of cation in ionic compound remains the same that of element while for anion its name ends by suffix ‘ate’ also, anion of group 6 A and 7 A ends with suffix ‘ide’.

Answer to Problem 36P

Name of the ionic compound is sodium fluoride.

Explanation of Solution

In the given ionic compound, $\text{Na}$ is formula for sodium which is cation and F is formula of fluorine which is anion. Since, sodium is metal, in ionic compound its will be written as sodium only and fluorine belongs to 7 A group, the name will be fluoride. Thus, name of the ionic compound will be sodium fluoride.

Interpretation Introduction

(b)

Interpretation:

The name for ionic compound MgS should be determined.

Concept Introduction:

Ionic compounds are formed when an electropositive atom (cation) combines with electronegative atom (anion).

The name of ionic compounds is written by writing the name of cation first followed by the name of anion. The name of cation in ionic compound remains the same that of element while for anion its name ends by suffix ‘ate’ also, anion of group 6 and 7 ends with suffix ‘ide’.

Answer to Problem 36P

Name of the ionic compound is magnesium sulfide.

Explanation of Solution

In the given formula, $\text{Mg}$ is formula of magnesium which is cation or metal thus its name will be that of name of metal and s belongs to group 6 A thus, ${\text{S}}^{\text{2-}}$ is formula of sulfide which is an anion thus, name of the ionic compound is magnesium sulfide.

Interpretation Introduction

(c)

Interpretation:

The name of ionic compound ${\text{Al}}_{\text{2}}{\text{O}}_{\text{3}}$ should be determined.

Concept Introduction:

Ionic compounds are formed when an electropositive atom (cation) combines with electronegative atom (anion).

The name of ionic compounds is written by writing the name of cation first followed by the name of anion. The name of cation in ionic compound remains the same that of element while for anion its name ends by suffix ‘ate’ also, anion of group 6 and 7 ends with suffix ‘ide’.

Answer to Problem 36P

Name of the ionic compound is aluminum oxide.

Explanation of Solution

Al is formula of Aluminum which is a metal while ${\text{O}}^{\text{2-}}$ is formula of oxide ion which is an anion and belongs to group 6A. Thus, name of the polyatomic ion is aluminum oxide.

Interpretation Introduction

(d)

Interpretation:

The name for ionic compound ${\text{BaCl}}_{\text{2}}$ should be determined.

Concept Introduction:

Ionic compounds are formed when an electropositive atom (cation) combines with electronegative atom (anion).

The name of ionic compounds is written by writing the name of cation first followed by the name of anion. The name of cation in ionic compound remains the same that of element while for anion its name ends by suffix ‘ate’ also, anion of group 6 and 7 ends with suffix ‘ide.

Answer to Problem 36P

Name of the polyatomic ion is barium chloride.

Explanation of Solution

Ba+ is formula for barium ion while ${\text{Cl}}^{\text{-}}$ is formula of chloride ion that belongs to 7 A group. Thus, name of the ionic compound is barium chloride.

Interpretation Introduction

(e)

Interpretation:

The name for ionic compound ${\text{Ca(HSO}}_{\text{3}}{\text{)}}_{\text{2}}$ should be determined.

Concept Introduction:

Ionic compounds are formed when an electropositive atom (cation) combines with electronegative atom (anion).

The name of ionic compounds is written by writing the name of cation first followed by the name of anion. The name of cation in ionic compound remains the same that of element while for anion its name ends by suffix ‘ate’ also, anion of group 6 and 7 ends with suffix ‘ide.

Answer to Problem 36P

Name of the ionic compound is calcium hydrogen sulfite.

Explanation of Solution

${\text{Ca}}^{2+}$ is formula for calcium ion which is a cation while ${\text{HSO}}_{\text{3}}{}^{\text{-}}$ is formula for hydrogen sulfite. Thus, name of the ionic compound is calcium hydrogen sulfite.

Interpretation Introduction

(f)

Interpretation:

The name of the ionic compound KI should be determined.

Concept Introduction:

Ionic compounds are formed when an electropositive atom (cation) combines with electronegative atom (anion).

The name of ionic compounds is written by writing the name of cation first followed by the name of anion. The name of cation in ionic compound remains the same that of element while for anion its name ends by suffix ‘ate’ also, anion of group 6 and 7 ends with suffix ‘ide.

Answer to Problem 36P

Name of the ionic compound is potassium iodide.

Explanation of Solution

K+ is formula for potassium ion which is a cation and I- is formula for iodide ion which is an anion and belongs to 7 A group. Thus, name of the ionic compound is potassium iodide.

Interpretation Introduction

(g)

Interpretation:

The name for ionic compound ${\text{Sr}}_{\text{3}}{{\text{(PO}}_{\text{4}}\text{)}}_{\text{2}}$ should be determined.

Concept Introduction:

Ionic compounds are formed when an electropositive atom (cation) combines with electronegative atom (anion).

The name of ionic compounds is written by writing the name of cation first followed by the name of anion. The name of cation in ionic compound remains the same that of element while for anion its name ends by suffix ‘ate’ also, anion of group 6 and 7 ends with suffix ‘ide’.

Answer to Problem 36P

Name of the ionic compound is strontium phosphate.

Explanation of Solution

Sr² + is formula for Strontium ion which is a cation while ${\text{PO}}_{\text{4}}{}^{\text{3-}}$ is formula for phosphate ion which is a cation. Here, phosphorus belongs to 5 A group thus, name of the ionic compound is strontium phosphate.

Interpretation Introduction

(h)

Interpretation:

The name for ionic compound $\text{Fe}{\left(\text{OH}\right)}_{\text{2}}$ should be determined.

Concept Introduction:

Ionic compounds are formed when an electropositive atom (cation) combines with electronegative atom (anion).

The name of ionic compounds is written by writing the name of cation first followed by the name of anion. The name of cation in ionic compound remains the same that of element while for anion its name ends by suffix ‘ate’ also, anion of group 6 and 7 ends with suffix ‘ide’ .

Answer to Problem 36P

Name of the ionic compound is iron hydroxide.

Explanation of Solution

${\text{Fe}}^{2+}$ is formula for ferrous ion (iron) while ${\text{OH}}^{\text{-}}$ is formula for hydroxide ion. Thus, name of the ionic compound is iron hydroxide.

Interpretation Introduction

(i)

Interpretation:

The name for ionic compound ${\text{NaH}}_2{\text{PO}}_{\text{4}}$ should be determined.

Concept Introduction:

Ionic compounds are formed when an electropositive atom (cation) combines with electronegative atom (anion).

The name of ionic compounds is written by writing the name of cation first followed by the name of anion. The name of cation in ionic compound remains the same that of element while for anion its name ends by suffix ‘ate’ also, anion of group 6 and 7 ends with suffix ‘ide’ .

Answer to Problem 36P

Name of the ionic compound is sodium hydrogen phosphate.

Explanation of Solution

${\text{Na}}^{+}$ is formula for sodium ion while ${\text{H}}_2{\text{PO}}_{\text{4}}{}^{\text{-}}$ is formula for dihydrogen phosphate. Thus, name of the ionic compound will be sodium dihydrogen phosphate.

Interpretation Introduction

(j)

Interpretation:

The name for ionic compound $\mathrm{Pb}{\left(\text{C}{\text{H}}_3\text{C}\text{O}\text{O}\right)}_2$ should be determined.

Concept Introduction:

Ionic compounds are formed when an electropositive atom (cation) combines with electronegative atom (anion).

The name of ionic compounds is written by writing the name of cation first followed by the name of anion. The name of cation in ionic compound remains the same that of element while for anion its name ends by suffix ‘ate’ also, anion of group 6 and 7 ends with suffix ‘ide’ .

Answer to Problem 36P

Name of the ionic compound is lead acetate.

Explanation of Solution

Pb² + is formula for lead ion while ${\text{CH}}_{\text{3}}{\text{COO}}^{-}$ is formula for acetate ion. Thus, name of the ionic compound is lead acetate.

Interpretation Introduction

(k)

Interpretation:

The name for ionic compound ${\text{BaH}}_{\text{2}}$ should be determined.

Concept Introduction:

Ionic compounds are formed when an electropositive atom (cation) combines with electronegative atom (anion).

The name of ionic compounds is written by writing the name of cation first followed by the name of anion. The name of cation in ionic compound remains the same that of element while for anion its name ends by suffix ‘ate’ also, anion of group 6 and 7 ends with suffix ‘ide’.

Answer to Problem 36P

Name of ionic compound is barium dihydride.

Explanation of Solution

Ba² + is formula for barium ion while ${\text{H}}^{\text{-}}$ is for hydride ion. Since, 2 hydride ions form compound with 1 barium ion, the formula of ionic compound is barium dihydride.

Interpretation Introduction

(l)

Interpretation:

The name for ionic compound ${\left({\text{NH}}_{\text{4}}\right)}_{\text{2}}{\text{HPO}}_{\text{4}}$ should be determined.

Concept Introduction:

Ionic compounds are formed when an electropositive atom (cation) combines with electronegative atom (anion).

The name of ionic compounds is written by writing the name of cation first followed by the name of anion. The name of cation in ionic compound remains the same that of element while for anion its name ends by suffix ‘ate’ also, anion of group 6 and 7 ends with suffix ‘ide’ .

Answer to Problem 36P

Name of the ionic compound is ammonium hydrogen phosphate.

Explanation of Solution

${\text{NH}}_{\text{4}}{}^{\text{+}}$ is the formula for ammonium ion while ${\text{CO}}_{\text{3}}{}^{\text{2-}}$ is formula for carbonate ion. Thus, 2 ammonium ion combines with 1 carbonate ion to form stable ionic compound. The name of ionic compound will be ammonium hydrogen phosphate.