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Chapter 2: Problem 92

Each of the following compounds is incorrectly named. What is wrong with each name, and what is the correct name for each compound? a. \(\mathrm{FeCl}_{3},\) iron chloride b. \(\mathrm{NO}_{2},\) nitrogen (IV) oxide c. CaO, calcium(Il) monoxide d. \(\mathrm{Al}_{2} \mathrm{S}_{3},\) dialuminum trisulfide e. $\operatorname{Mg}\left(\mathrm{C}_{2} \mathrm{H}_{3} \mathrm{O}_{2}\right)_{2},$ manganese diacetate f. \(\mathrm{FePO}_{4},\) iron(II) phosphide g. \(\mathrm{P}_{2} \mathrm{S}_{5}\) , phosphorus sulfide h. \(\mathrm{Na}_{2} \mathrm{O}_{2},\) sodium oxide i. \(\mathrm{HNO}_{3},\) nitrate acid j. \(\mathrm{H}_{2} \mathrm{S},\) sulfuric acid

Short Answer

Expert verified
a. iron(III) chloride b. nitrogen(IV) oxide c. calcium oxide d. aluminum sulfide e. magnesium acetate f. iron(III) phosphate g. diphosphorus pentasulfide h. sodium peroxide i. nitric acid j. hydrosulfuric acid or hydrogen sulfide

Step by step solution

01

a. Correcting the name of \(\mathrm{FeCl}_{3}\)

Since \(\mathrm{FeCl}_{3}\) is an ionic compound, we need to identify the charge of the metal ion (iron) to name it correctly. Iron has a charge of 3+ in this compound, so the correct name is iron(III) chloride.
02

b. Correcting the name of \(\mathrm{NO}_{2}\)

The given name, nitrogen (IV) oxide, uses an incorrect oxidation state of nitrogen. The proper oxidation state in \(\mathrm{NO}_{2}\) is 4+. Therefore, the correct name is nitrogen(IV) oxide.
03

c. Correcting the name of CaO

The name "calcium(II) monoxide" has an unnecessary Roman numeral and a prefix for the oxygen. Since calcium forms only one type of compound, we drop the Roman numeral, and the correct name for this ionic compound is calcium oxide.
04

d. Correcting the name of \(\mathrm{Al}_{2} \mathrm{S}_{3}\)

For this ionic compound, the name "dialuminum trisulfide" incorrectly uses prefixes. The proper nomenclature for ionic compounds does not include prefixes. The correct name is aluminum sulfide.
05

e. Correcting the name of \(\operatorname{Mg}\left(\mathrm{C}_{2} \mathrm{H}_{3} \mathrm{O}_{2}\right)_{2}\)

The given name is incorrect because it says "manganese" instead of "magnesium." The correct name for this ionic compound is magnesium acetate.
06

f. Correcting the name of \(\mathrm{FePO}_{4}\)

In the given name, "iron(II) phosphide," there is an incorrect Roman numeral and an incorrect suffix for the anion. For this ionic compound, the iron has a charge of 3+, so the correct name is iron(III) phosphate.
07

g. Correcting the name of \(\mathrm{P}_{2} \mathrm{S}_{5}\)

Since this is a molecular compound, we need to use prefixes to indicate the ratio of atoms in the compound. The correct name for \(\mathrm{P}_{2} \mathrm{S}_{5}\) is diphosphorus pentasulfide.
08

h. Correcting the name of \(\mathrm{Na}_{2} \mathrm{O}_{2}\)

The given name, sodium oxide, uses an incorrect formula for this compound. The correct formula is NaO, making the name sodium peroxide.
09

i. Correcting the name of \(\mathrm{HNO}_{3}\)

The given name, "nitrate acid," uses an incorrect prefix. Acids are named based on their anions, which in this case is the nitrate ion. The correct name is nitric acid.
10

j. Correcting the name of \(\mathrm{H}_{2} \mathrm{S}\)

The given name, "sulfuric acid," is incorrect. Acids are named based on their anions. For this compound, the anion is sulfide, so the correct name is hydrosulfuric acid or hydrogen sulfide.

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Most popular questions from this chapter

Name each of the following compounds: a. \(\mathrm{BaSO}_{3}\) b. \(\mathrm{NaNO}_{2}\) c. \(\mathrm{KMnO}_{4}\) d. \(\mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7}\)

In a reaction, 34.0 g of chromium(III) oxide reacts with 12.1 g of aluminum to produce chromium and aluminum oxide. If 23.3 g of chromium is produced, what mass of aluminum oxide is produced?

What is the systematic name of \(\mathrm{Ta}_{2} \mathrm{O}_{5} ?\) If the charge on the metal remained constant and then sulfur was substituted for oxygen, how would the formula change? What is the difference in the total number of protons between \(\mathrm{Ta}_{2} \mathrm{O}_{5}\) and its sulfur analog?

For each of the following sets of elements, label each as either noble gases, halogens, alkali metals, alkaline earth metals, or transition metals. a. Ti, Fe, Ag b. Mg, Sr, Ba c. Li, K, Rb d. Ne, Kr, Xe e. F, Br, I

Evaluate each of the following as an acceptable name for water: a. dihydrogen oxide b. hydroxide hydride c. hydrogen hydroxide d. oxygen dihydride
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