Chemistry: An Atoms First Approach
Chemistry: An Atoms First Approach
2nd Edition
ISBN: 9781305079243
Author: Steven S. Zumdahl, Susan A. Zumdahl
Publisher: Cengage Learning
Question
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Chapter 3, Problem 113E

(a)

Interpretation Introduction

Interpretation: The naming 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.

To determine: The  naming of CuI

(a)

Expert Solution
Check Mark

Answer to Problem 113E

The naming of CuI is copper (I) iodide.

Explanation of Solution

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 +1and+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.

Conclusion

While naming covalent compound, cation is always named first and anion second. The mono atomic anion is named by adding “ide” in suffix.

(b)

Interpretation Introduction

Interpretation: The naming 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.

To determine: The  naming of CuI2

(b)

Expert Solution
Check Mark

Answer to Problem 113E

The naming of CuI2 is copper (II) iodide.

Explanation of Solution

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 +1and+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.

Conclusion

While naming a covalent compound, cation is always named first and anion second. The mono atomic anion is named by adding “ide” in suffix.

(c)

Interpretation Introduction

Interpretation: The naming 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.

To determine: The  naming of CoI2

(c)

Expert Solution
Check Mark

Answer to Problem 113E

The naming of CuI2 is cobalt (II) iodide.

Explanation of Solution

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 +2and+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.

Conclusion

While naming a covalent compound, cation is always named first and anion second. The mono atomic anion is named by adding “ide” in suffix.

(d)

Interpretation Introduction

Interpretation: The naming 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.

To determine: The  naming of Na2CO3

(d)

Expert Solution
Check Mark

Answer to Problem 113E

The naming of Na2CO3 is sodium carbonate

Explanation of Solution

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

Conclusion

While naming a covalent compound, cation is always named first and anion second. The anion is named by adding “ide” in suffix.

(e)

Interpretation Introduction

Interpretation: The naming 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.

To determine: The  naming of NaHCO3

(e)

Expert Solution
Check Mark

Answer to Problem 113E

The naming of NaHCO3 is sodium bicarbonate

Explanation of Solution

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

Conclusion

While naming covalent compound, cation is always named first and anion second. The anion is named by adding “ide” in suffix. Thename of TiO2 compound is titanium (IV) oxide.

(f)

Interpretation Introduction

Interpretation: The naming 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.

To determine: The  naming of S4N4

(f)

Expert Solution
Check Mark

Answer to Problem 113E

The naming of S4N4 is tetra sulfur tetra nitride.

Explanation of Solution

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.

Conclusion

While naming a covalent compound, cation is always named first and anion second. The anion is named by adding “ide” in suffix.

(g)

Interpretation Introduction

Interpretation: The naming 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.

To determine: The  naming of SF6

(g)

Expert Solution
Check Mark

Answer to Problem 113E

The naming of SF6 is sulfur hexafluoride.

Explanation of Solution

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.

Conclusion

While naming covalent compound, cation is always named first and anion second. The anion is named by adding “ide” in suffix.

(h)

Interpretation Introduction

Interpretation: The naming 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.

To determine: The  naming of NaOCl

(h)

Expert Solution
Check Mark

Answer to Problem 113E

The naming of NaOCl is sodium Hypochlorite.

Explanation of Solution

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.

Conclusion

While naming covalent compound, cation is always named first and anion second. The anion is named by adding “ide” in suffix.

(i)

Interpretation Introduction

Interpretation: The naming 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.

To determine: The  naming of BaCrO4

(i)

Expert Solution
Check Mark

Answer to Problem 113E

The naming of BaCrO4 is barium chromate.

Explanation of Solution

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.

Conclusion

While naming a covalent compound, cation is always named first and anion second. The anion is named by adding “ide” in suffix.

(j)

Interpretation Introduction

Interpretation: The naming 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.

To determine: The  naming of NH4NO3

(j)

Expert Solution
Check Mark

Answer to Problem 113E

The naming of NH4NO3 is ammonium nitrate.

Explanation of Solution

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.

Conclusion

While naming a covalent compound, cation is always named first and anion second. The anion is named by adding “ide” in suffix.

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Chapter 3 Solutions

Chemistry: An Atoms First Approach

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