Chapter 11, Problem 29E

(a)

To determine

The preferred name of the compound ${\text{CaBr}}_2$.

Answer to Problem 29E

The preferred name of the compound ${\text{CaBr}}_2$ is Calcium Bromide.

Explanation of Solution

Given info: The compound ${\text{CaBr}}_2$ is given.

Explanation:

The provided compound ${\text{CaBr}}_2$ is a binary compound of a metal and a non-metal. First, write the name of the metal that is Calcium and then write the name of the non-metal that is bromine with the suffix ‘ide’.

So, the name of the compound ${\text{CaBr}}_2$ is Calcium Bromide.

The compound ${\text{CaBr}}_2$ has positive ion called cation ${\text{Ca}}^{2+}$ and a negative ion called anion ${\text{Br}}^{-}$.

Conclusion:

Therefore, the preferred name of the compound ${\text{CaBr}}_2$ is Calcium Bromide.

(b)

To determine

The preferred name of the compound ${\text{N}}_2{\text{S}}_5$.

Answer to Problem 29E

The preferred name of the compound ${\text{N}}_2{\text{S}}_5$ is Dinitrogen Pentasulfide.

Explanation of Solution

Given info: The compound ${\text{N}}_2{\text{S}}_5$ is given.

Explanation:

The provided compound ${\text{N}}_2{\text{S}}_5$ is a binary compound of two non-metals. First, write the name of the first non-metal that is nitrogen and then write the name of the second non-metal that is sulfur with the suffix ‘ide’.

Also, the number of atoms of nitrogen is two. Di is the Greek prefix used for the number two. Number of atoms of sulfur is five in the compound. Penta is the Greek prefix used for the number five. Hence, the name of the provided compound ${\text{N}}_2{\text{S}}_5$ is Dinitrogen Pentasulfide.

Conclusion:

Therefore, the preferred name of the compound ${\text{N}}_2{\text{S}}_5$ is Dinitrogen Pentasulfide.

(c)

To determine

The preferred name of the compound ${\text{ZnSO}}_4$.

Answer to Problem 29E

The preferred name of the compound ${\text{ZnSO}}_4$ is Zinc Sulfate.

Explanation of Solution

Given info: The compound ${\text{ZnSO}}_4$ is given.

Explanation:

The provided compound ${\text{ZnSO}}_4$ has a polyatomic ion ${\text{SO}}_4{}^{2-}$. In this compound, the positive ion is ${\text{Zn}}^{2+}$.

The name of ${\text{SO}}_4{}^{2-}$ ion is sulfate ion and ${\text{Zn}}^{2+}$ is zinc ion. While writing name, the name of positive ion is written first followed by the negative ion.

So, the name given to the compound is Zinc Sulfate.

Conclusion:

Therefore, the preferred name of the compound ${\text{ZnSO}}_4$ is Zinc Sulfate.

(d)

To determine

The preferred name of the compound $\text{KOH}$.

Answer to Problem 29E

The preferred name of the compound $\text{KOH}$ is Potassium hydroxide.

Explanation of Solution

Given info: The compound $\text{KOH}$ is given.

Explanation:

The provided compound $\text{KOH}$ has a polyatomic ion ${\text{OH}}^{-}$. In this compound, the positive ion is ${\text{K}}^{+}$.

The name of ${\text{OH}}^{-}$ ion is hydroxide ion and ${\text{K}}^{+}$ is potassium ion. While writing name, the name of positive ion is written first followed by the negative ion.

So, the name given to the compound is Potassium hydroxide.

Conclusion:

Therefore, the preferred name of the compound $\text{KOH}$ is Potassium hydroxide.

(e)

To determine

The preferred name of the compound ${\text{AgNO}}_3$.

Answer to Problem 29E

The preferred name of the compound ${\text{AgNO}}_3$ is Silver Nitrate.

Explanation of Solution

Given info: The compound ${\text{AgNO}}_3$ is given.

Explanation:

The provided compound ${\text{AgNO}}_3$ has a polyatomic ion ${\text{NO}}_3{}^{-}$. In this compound, the positive ion is ${\text{Ag}}^{+}$.

The name of ${\text{NO}}_3{}^{-}$ ion is nitrate ion and ${\text{Ag}}^{+}$ is silver ion. While writing name, the name of positive ion is written first followed by the negative ion.

So, the name given to the compound is Silver Nitrate.

Conclusion:

Therefore, the preferred name of the compound ${\text{AgNO}}_3$ is Silver Nitrate.

(f)

To determine

The preferred name of the compound ${\text{IF}}_7$.

Answer to Problem 29E

The preferred name of the compound ${\text{IF}}_7$ is Iodine heptafluoride.

Explanation of Solution

Given info: The compound ${\text{IF}}_7$ is given.

Explanation:

The provided compound ${\text{IF}}_7$ is a binary compound of two non-metals. First, write the name of the first non-metal that is iodine and then write the name of the second non-metal that is fluorine with the suffix ‘ide’.

Also, number of atoms of fluorine is seven in the compound. Hepta is the Greek prefix used for the number seven. Hence, the name of the provided compound ${\text{IF}}_7$ is Iodine heptafluoride.

Conclusion:

Therefore, the preferred name of the compound ${\text{IF}}_7$ is Iodine heptafluoride.

(g)

To determine

The preferred name of the compound ${\left({\text{NH}}_4\right)}_3{\text{PO}}_4$.

Answer to Problem 29E

The preferred name of the compound ${\left({\text{NH}}_4\right)}_3{\text{PO}}_4$ is Ammonium phosphate.

Explanation of Solution

Given info: The compound ${\left({\text{NH}}_4\right)}_3{\text{PO}}_4$ is given.

Explanation:

The provided compound ${\left({\text{NH}}_4\right)}_3{\text{PO}}_4$ has two polyatomic ions ${\text{NH}}_4{}^{+}$ and ${\text{PO}}_4{}^{3-}$. In this compound, the positive ion is ${\text{NH}}_4{}^{+}$ and the negative ion is ${\text{PO}}_4{}^{3-}$.

The name of ${\text{NH}}_4{}^{+}$ ion is ammonium ion and ${\text{PO}}_4{}^{3-}$ is phosphate ion. While writing name, the name of positive ion is written first followed by the negative ion.

So, the name given to the compound is Ammonium phosphate.

Conclusion:

Therefore, the preferred name of the compound ${\left({\text{NH}}_4\right)}_3{\text{PO}}_4$ is Ammonium phosphate.

(h)

To determine

The preferred name of the compound ${\text{Na}}_3\text{P}$.

Answer to Problem 29E

The preferred name of the compound ${\text{Na}}_3\text{P}$ is Sodium phosphide.

Explanation of Solution

Given info: The compound ${\text{Na}}_3\text{P}$ is given.

Explanation:

The provided compound ${\text{Na}}_3\text{P}$ is a binary compound of a metal and a non-metal. First, write the name of the metal that is sodium and then write the name of the non-metal that is phosphorus with the suffix ‘ide’.

So, the name of the compound ${\text{Na}}_3\text{P}$ is Sodium phosphide.

The compound ${\text{Na}}_3\text{P}$ has positive ion called cation ${\text{Na}}^{+}$ and a negative ion called anion ${\text{P}}^{3-}$.

Conclusion:

Therefore, the preferred name of the compound ${\text{Na}}_3\text{P}$ is Sodium phosphide.