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Chapter 5: Problem 177

Give the proper name of these compounds: (a) \(\mathrm{Fe}_{2}\left(\mathrm{SO}_{3}\right)_{3}\) (b) \(\mathrm{Au}\left(\mathrm{NO}_{3}\right)_{3}\) (c) \(\mathrm{NaH}_{2} \mathrm{PO}_{4}\) (d) \(\mathrm{Pb}\left(\mathrm{CH}_{3} \mathrm{CO}_{2}\right)_{2}\)

Short Answer

Expert verified
The short versions of the names are: (a) Iron(III) sulfite (b) Gold(III) nitrate (c) Sodium dihydrogen phosphate (d) Lead(II) acetate

Step by step solution

01

(a) Naming \(\mathrm{Fe}_{2}\left(\mathrm{SO}_{3}\right)_{3}\)

First, identify the cation and the anion. The cation is \(\mathrm{Fe}\) (iron), and the anion is \(\mathrm{SO}_{3}\) (sulfite). Since iron has variable oxidation states, we need to determine it. As the charge of sulfite is -2 and there are three sulfites, the total negative charge is -6. To maintain neutrality, the two iron cations must have a total positive charge of +6. Therefore, each iron cation has a charge of +3. The compound's name is Iron(III) sulfite.
02

(b) Naming \(\mathrm{Au}\left(\mathrm{NO}_{3}\right)_{3}\)

First, identify the cation and the anion. The cation is \(\mathrm{Au}\) (gold), and the anion is \(\mathrm{NO}_{3}\) (nitrate). Since gold has variable oxidation states, we need to determine it. As the charge of nitrate is -1 and there are three nitrates, the total negative charge is -3. To maintain neutrality, the gold cation must have a positive charge of +3. The compound's name is Gold(III) nitrate.
03

(c) Naming \(\mathrm{NaH}_{2} \mathrm{PO}_{4}\)

First, identify the cation and the anion. The cation is \(\mathrm{Na}\) (sodium), and the anion is \(\mathrm{H}_{2}\mathrm{PO}_{4}\) (dihydrogen phosphate). Sodium has a fixed oxidation state as +1, so we don't need to specify it. The compound's name is Sodium dihydrogen phosphate.
04

(d) Naming \(\mathrm{Pb}\left(\mathrm{CH}_{3} \mathrm{CO}_{2}\right)_{2}\)

First, identify the cation and the anion. The cation is \(\mathrm{Pb}\) (lead) and the anion is \(\mathrm{CH}_{3}\mathrm{CO}_{2}\) (acetate). Since lead has variable oxidation states, we need to determine it. As the charge of acetate is -1 and there are two acetates, the total negative charge is -2. To maintain neutrality, the lead cation must have a positive charge of +2. The compound's name is Lead(II) acetate.

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Most popular questions from this chapter

Which of the following substances are ionic and which are molecular? Name each substance. Draw Lewis dot diagrams for each molecular substance and for the anion of each ionic substance. (a) \(\mathrm{Cl}_{2}\) (b) \(\mathrm{HCl}(\mathrm{g})\) (c) \(\mathrm{NaCl}\) (d) \(\mathrm{Mg}\left(\mathrm{ClO}_{2}\right)_{2}\) (e) \(\mathrm{CH}_{3} \mathrm{OH}\) (methanol) (f) \(\mathrm{Fe}\left(\mathrm{NO}_{3}\right)_{3}\) (g) \(\mathrm{Pb}\left(\mathrm{C}_{2} \mathrm{H}_{3} \mathrm{O}_{2}\right)_{2}\)

Which of the following represents the correct resonance forms for \(\mathrm{SO}_{2} ?\) Explain what is wrong with the sets you did not choose.

What is an ionic bond? How does it differ from a covalent bond, and how is it similar to a covalent bond?

Using only the periodic table, arrange these sets of atoms in order of increasing electronegativity: (a) \(\mathrm{Li}, \mathrm{Be}, \mathrm{K}\) (b) \(\mathrm{O}, \mathrm{Si}, \mathrm{S}\) (c) \(\mathrm{Br}_{t} \mathrm{I}, \mathrm{Te}\)

What is a binary compound? Is atmospheric oxygen an example of a binary compound?
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