(a)
Interpretation:
The name of the compounds is to be given.
Concept introduction:
While naming covalent compound, the name of the cation is written first, followed by the name of the anion. Generally, the cation present is a metal or a polyatomic cation, whereas the anion is a non-metal.
(a)

Answer to Problem 83E
The naming of CuI is copper (I) iodide.
Explanation of Solution
To determine: The naming of CuI
The name of CuI is copper(I) iodide.
In naming of covalent compound, the name of cation comes first which is the name of element. Anion is named second which is also the name of element. Monatomic anions are named with the ending -ide.
Roman numerals are used to show the oxidation state because some elements exhibit more than one oxidation state. Copper exhibits +1 and +2 oxidation state.
Here copper (Cu2+) ion is cation and iodine (I−) ion is mono-atomic anion. The oxidation state of copper is +1 because total charge on anion is −1. Since compound should be electrically neutral, the name of CuI compound is copper (I) iodide.
The name of CuI is copper(I) iodide.
(b)
Interpretation:
The name of the compounds is to be given.
Concept introduction:
While naming covalent compound, the name of the cation is written first, followed by the name of the anion. Generally, the cation present is a metal or a polyatomic cation, whereas the anion is a non-metal.
(b)

Answer to Problem 83E
The naming of CuI2 is copper (II) iodide.
Explanation of Solution
To determine: The naming of CuI2
The name of CuI2 is copper(II) iodide.
In naming of covalent compound, the name of cation comes first which is the name of element. Anion is named second which is also the name of element. Monatomic anions are named with the ending -ide.
Roman numerals are used to show the oxidation state because some elements exhibit more than one oxidation state. Copper exhibits +1 and +2 oxidation state.
Here copper (Cu2+) ion is cation and iodine (I−) ion is mono-atomic anion. The oxidation state of copper is +2 because total charge on anion is −2. Since compound should be electrically neutral, the name of CuI2 compound is copper (II) iodide.
The name of CuI2 is copper(II) iodide.
(c)
Interpretation:
The name of the compounds is to be given.
Concept introduction:
While naming covalent compound, the name of the cation is written first, followed by the name of the anion. Generally, the cation present is a metal or a polyatomic cation, whereas the anion is a non-metal.
(c)

Answer to Problem 83E
The naming of CuI2 is cobalt (II) iodide.
Explanation of Solution
To determine: The naming of CoI2
The name of CuI2 is cobalt (II) iodide.
In naming of covalent compound, the name of cation comes first which is the name of element. Anion is named second which is also the name of element. Monatomic anions are named with the ending -ide.
Roman numerals are used to show the oxidation state because some elements exhibit more than one oxidation state. Cobalt exhibits +2 and +3 oxidation state.
Here cobalt (Cu2+) ion is cation and iodine (I-) ion is mono-atomic anion. The oxidation state of copper is +2 because total charge on anion is −2. Since compound should be electrically neutral, the name of CoI2 compound is cobalt (II) iodide.
The name of CuI2 is cobalt (II) iodide.
(d)
Interpretation:
The name of the compounds is to be given.
Concept introduction:
While naming covalent compound, the name of the cation is written first, followed by the name of the anion. Generally, the cation present is a metal or a polyatomic cation, whereas the anion is a non-metal.
(d)

Answer to Problem 83E
The naming of Na2CO3 is sodium carbonate
Explanation of Solution
To determine: The naming of Na2CO3
The name of Na2CO3 is sodium carbonate
In naming of covalent compound, the name of cation comes first which is the name of element. Anion is named second which is also the name of element. The anions are named with the ending -ide.
The compound Na2CO3 is a molecular compound. While naming a molecular compound, the number of respective atoms present is denoted by using prefixes like mono, di tri.
Here sodium ion (Na+) is cation and carbonate ion (CO32-) is anion. The total charge on cation is +2 and total charge on anion is −2. Since compound should be electrically neutral, the name of Na2CO3 compound is sodium carbonate
The name of Na2CO3 is sodium carbonate
(e)
Interpretation:
The name of the compounds is to be given.
Concept introduction:
While naming covalent compound, the name of the cation is written first, followed by the name of the anion. Generally, the cation present is a metal or a polyatomic cation, whereas the anion is a non-metal.
(e)

Answer to Problem 83E
The naming of NaHCO3 is sodium bicarbonate.
Explanation of Solution
To determine: The naming of NaHCO3
The name of NaHCO3 is sodium bicarbonate
In naming of covalent compound, the name of cation comes first which is the name of element. Anion is named second which is also the name of element. The anions are named with the ending -ide.
The compound NaHCO3 is a molecular compound. While naming a molecular compound, the number of respective atoms present is denoted by using prefixes like mono, di tri.
Here sodium ion (Na+) is cation and bicarbonate ion (HCO3−) is anion. The total charge on cation is +1 and total charge on anion is −1. Since compound should be electrically neutral, the name of NaHCO3 compound is sodium bicarbonate
The name of NaHCO3 is sodium bicarbonate
(f)
Interpretation:
The name of the compounds is to be given.
Concept introduction:
While naming covalent compound, the name of the cation is written first, followed by the name of the anion. Generally, the cation present is a metal or a polyatomic cation, whereas the anion is a non-metal.
(f)

Answer to Problem 83E
The naming of S4N4 is tetra sulfur tetra nitride.
Explanation of Solution
To determine: The naming of S4N4
The name of S4N4 is tetra sulfur tetra nitride.
In naming of covalent compound, the name of cation comes first which is the name of element. Anion is named second which is also the name of element. The anions are named with the ending -ide. The prefix mono-, di-, tri- is used in prefix to indicate the number of atoms in each element.
Here sulfur ion (S2−) is cation having four atoms and nitrogen ion (N3-) is poly-atomic anion having four atoms. Hence the name of S4N4 compound is tetra sulfur tetra nitride.
The name of S4N4 is tetra sulfur tetra nitride.
(g)
Interpretation:
The name of the compounds is to be given.
Concept introduction:
While naming covalent compound, the name of the cation is written first, followed by the name of the anion. Generally, the cation present is a metal or a polyatomic cation, whereas the anion is a non-metal.
(g)

Answer to Problem 83E
The naming of SF6 is tetra sulfur tetra nitride.
Explanation of Solution
To determine: The naming of SF6
The name of SF6 is tetra sulfur tetra nitride.
In naming of covalent compound, the name of cation comes first which is the name of element. Anion is named second which is also the name of element. The anions are named with the ending -ide. The prefix mono-, di-, tri- is used in prefix to indicate the number of atoms in each element.
Here sulfur ion (S2−) is cation having single atom and fluorine ion (F-) is mono-atomic anion having six atoms. Hence the name of SF6 compound is sulfur hexafluoride.
The name of SF6 is tetra sulfur tetra nitride.
(h)
Interpretation:
The name of the compounds is to be given.
Concept introduction:
While naming covalent compound, the name of the cation is written first, followed by the name of the anion. Generally, the cation present is a metal or a polyatomic cation, whereas the anion is a non-metal.
(h)

Answer to Problem 83E
The naming of NaOCl is sodium Hypochlorite.
Explanation of Solution
To determine: The naming of NaOCl
The name of NaOCl is sodium Hypochlorite.
In naming of covalent compound, the name of cation comes first which is the name of element. Anion is named second which is also the name of element. When there are only two members in the same series, then the anion with the least number of oxygen’s ends in -ite, and the anion with the most ends in -ate.
If more than two oxyanion is present in compound then “hypo-” (less than) and “per-” (more than) is used in prefix.
Hence the name of NaOCl compound is sodium Hypochlorite.
The name of NaOCl is sodium Hypochlorite.
(i)
Interpretation:
The name of the compounds is to be given.
Concept introduction:
While naming covalent compound, the name of the cation is written first, followed by the name of the anion. Generally, the cation present is a metal or a polyatomic cation, whereas the anion is a non-metal.
(i)

Answer to Problem 83E
The naming of BaCrO4 is barium chromate.
Explanation of Solution
To determine: The naming of BaCrO4
The name of BaCrO4 is barium chromate.
In naming of covalent compound, the name of cation comes first which is the name of element. Anion is named second which is also the name of element. When there are only two members in the same series, then the anion with the least number of oxygen ends in -ite, and the anion with the most ends in -ate.
Here barium ion (Ba2+) is cation and chromate ion (CrO42-) is anion.
Hence the name of BaCrO4 is barium chromate.
The name of BaCrO4 is barium chromate.
(j)
Interpretation:
The name of the compounds is to be given.
Concept introduction:
While naming covalent compound, the name of the cation is written first, followed by the name of the anion. Generally, the cation present is a metal or a polyatomic cation, whereas the anion is a non-metal.
(j)

Answer to Problem 83E
The naming of NH4NO3 is ammonium nitrate.
Explanation of Solution
To determine: The naming of NH4NO3
The name of NH4NO3 is ammonium nitrate.
In naming of covalent compound, the name of cation comes first which is the name of element. Anion is named second which is also the name of element. When there are only two members in the same series, then the anion with the least number of oxygen ends in -ite, and the anion with the most ends in -ate.
Here ammonium (NH4+) is cation and nitratee ion (NO3-) is anion.
Hence the name of NH4NO3 is ammonium nitrate.
The name of NH4NO3 is ammonium nitrate.
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Chapter 2 Solutions
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