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Chapter 2: Problem 65

Name the following ionic compounds: (a) \(\mathrm{Li}_{2} \mathrm{O},\) (b) \(\mathrm{FeCl}_{3}\), (c) \(\mathrm{NaClO}\) (d) \(\mathrm{CaSO}_{3}\), (e) \(\mathrm{Cu}(\mathrm{OH})_{2},\) (f) \(\mathrm{Fe}\left(\mathrm{NO}_{3}\right)_{2}\), (g) \(\mathrm{Ca}\left(\mathrm{CH}_{3} \mathrm{COO}\right)_{2}\), (h) \(\mathrm{Cr}_{2}\left(\mathrm{CO}_{3}\right)_{3}\) (i) \(\mathrm{K}_{2} \mathrm{CrO}_{4},(\mathrm{j})\left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4}\)

Short Answer

Expert verified
(a) Lithium Oxide, (b) Iron(III) Chloride, (c) Sodium Hypochlorite, (d) Calcium Sulfite, (e) Copper(II) Hydroxide, (f) Iron(II) Nitrate, (g) Calcium Acetate, (h) Chromium(III) Carbonate, (i) Potassium Chromate, (j) Ammonium Sulfate.

Step by step solution

01

(a) Naming \(\mathrm{Li}_{2} \mathrm{O}\)

In this compound, Li is the cation Li (Lithium) and O is the anion O^2- (Oxide). Since lithium has only one oxidation state (+1), there is no need to specify the charge. Therefore, the name of the compound is Lithium Oxide.
02

(b) Naming \(\mathrm{FeCl}_{3}\)

In this compound, Fe is the cation Fe^3+ (Iron) and Cl is the anion Cl^1- (Chloride). Since iron is a transition metal, we need to specify its oxidation state, which in this case is +3. Therefore, the name of the compound is Iron(III) Chloride.
03

(c) Naming \(\mathrm{NaClO}\)

In this compound, Na is the cation Na^+ (Sodium) and ClO is the anion ClO^- (Hypochlorite). Therefore, the name of the compound is Sodium Hypochlorite.
04

(d) Naming \(\mathrm{CaSO}_{3}\)

In this compound, Ca is the cation Ca^2+ (Calcium) and SO3 is the anion SO3^2- (Sulfite). Therefore, the name of the compound is Calcium Sulfite.
05

(e) Naming \(\mathrm{Cu}(\mathrm{OH})_{2}\)

In this compound, Cu is the cation Cu^2+ (Copper) and OH is the anion OH^- (Hydroxide). Since copper is a transition metal, we need to specify its oxidation state, which in this case is +2. Therefore, the name of the compound is Copper(II) Hydroxide.
06

(f) Naming \(\mathrm{Fe}\left(\mathrm{NO}_{3}\right)_{2}\)

In this compound, Fe is the cation Fe^2+ (Iron) and NO3 is the anion NO3^- (Nitrate). Since iron is a transition metal, we need to specify its oxidation state, which in this case is +2. Therefore, the name of the compound is Iron(II) Nitrate.
07

(g) Naming \(\mathrm{Ca}\left(\mathrm{CH}_{3} \mathrm{COO}\right)_{2}\)

In this compound, Ca is the cation Ca^2+ (Calcium) and CH3COO is the anion CH3COO^- (Acetate). Therefore, the name of the compound is Calcium Acetate.
08

(h) Naming \(\mathrm{Cr}_{2}\left(\mathrm{CO}_{3}\right)_{3}\)

In this compound, Cr is the cation Cr^3+ (Chromium) and CO3 is the anion CO3^2- (Carbonate). Since chromium is a transition metal, we need to specify its oxidation state, which in this case is +3. Therefore, the name of the compound is Chromium(III) Carbonate.
09

(i) Naming \(\mathrm{K}_{2}\mathrm{CrO}_{4}\)

In this compound, K is the cation K^+ (Potassium) and CrO4 is the anion CrO4^2- (Chromate). Therefore, the name of the compound is Potassium Chromate.
10

(j) Naming \((\mathrm{NH}_{4})_{2} \mathrm{SO}_{4}\)

In this compound, NH4 is the cation NH4^+ (Ammonium) and SO4 is the anion SO4^2- (Sulfate). Therefore, the name of the compound is Ammonium Sulfate.

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Most popular questions from this chapter

Give the names and charges of the cation and anion in each of the following compounds: (a) \(\mathrm{CuS},(\mathbf{b}) \mathrm{Ag}_{2} \mathrm{SO}_{4}\), (c) \(\mathrm{Al}\left(\mathrm{ClO}_{3}\right)_{3},\) (d) \(\mathrm{Co}(\mathrm{OH})_{2}\), (e) \(\mathrm{PbCO}_{3}\).

Write the empirical formula corresponding to each of the following molecular formulas: (a) \(\mathrm{Al}_{2} \mathrm{Br}_{6},\) (b) \(\mathrm{C}_{8} \mathrm{H}_{10},\) (c) \(\mathrm{C}_{4} \mathrm{H}_{8} \mathrm{O}_{2}\), (d) \(\mathrm{P}_{4} \mathrm{O}_{10}\) (e) \(\mathrm{C}_{6} \mathrm{H}_{4} \mathrm{Cl}_{2}\), (f) \(\mathrm{B}_{3} \mathrm{~N}_{3} \mathrm{H}_{6}\)

For each of the following elements, write its chemical symbol, locate it in the periodic table, give its atomic number, and indicate whether it is a metal, metalloid, or nonmetal: (a) chromium, (b) helium, (c) phosphorus, (d) zinc, (e) magnesium, (f) bromine, (g) arsenic.

The radius of an atom of gold \((\mathrm{Au})\) is about \(1.35 \AA\). (a) \(\mathrm{Ex}\) press this distance in nanometers (nm) and in picometers (pm). (b) How many gold atoms would have to be lined up to span \(1.0 \mathrm{~mm} ?\) (c) If the atom is assumed to be a sphere, what is the volume in \(\mathrm{cm}^{3}\) of a single Au atom?

Complete the table by filling in the formula for the ionic compound formed by each pair of cations and anions, as shown for the first pair. $$ \begin{array}{|l|c|c|c|c|} \hline \text { Ion } & \mathrm{Na}^{+} & \mathrm{Ca}^{2+} & \mathrm{Fe}^{2+} & \mathrm{Al}^{3+} \\ \hline \mathrm{O}^{2-} & \mathrm{Na}_{2} \mathrm{O} & & & \\ \hline \mathrm{NO}_{3}^{-} & & & & \\ \hline \mathrm{SO}_{4}{ }^{2-} & & & & \\ \hline \mathrm{AsO}_{4}{ }^{3-} & & & & \\ \hline \end{array} $$
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