Chemistry: An Atoms First Approach
Chemistry: An Atoms First Approach
2nd Edition
ISBN: 9781305079243
Author: Steven S. Zumdahl, Susan A. Zumdahl
Publisher: Cengage Learning
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Chapter 4, Problem 48E

Give the expected hybridization of the central atom for the molecules in Exercises 27 and 28.

(a)

Expert Solution
Check Mark
Interpretation Introduction

Interpretation: The expected hybridization of the central atom, for the given species, is to be determined.

Concept introduction: The following steps are to be followed to determine the hybridization and the molecular structure of a given compound,

  • The central atom is identified.
  • Its valence electrons are determined.
  • 1e is added to the total number of valence electrons for each monovalent atom present.
  • The total number obtained is divided by 2, to find the number of electron pairs.
  • This further gives us the hybridization of the given compound.

For an atom, present in the structure of a compound, the sum of the number of bonded atoms and the number of lone pairs present on it gives its steric number. The value of the steric number gives us the hybridization of the atom.

To determine: The expected hybridization of the central atom in XeCl2.

Answer to Problem 48E

Answer

The given compound is sp3d hybridized.

Explanation of Solution

The central atom in XeCl2 is xenon (Xe). The atomic number of xenon is 54 and its electronic configuration is,

1s22s22p63s23p63d104s24p64d105s25p6

The valence electron of xenon is 8

The formula of number of electron pairs is,

X=V+M±C2

Where,

  • X is number of electron pairs.
  • V is valence electrons of central atom.
  • M is number of monovalent atoms.
  • C is charge on compound.

The number of electron pairs is,

X=V+M±C2X=8+22=5

This means that the central atom shows sp3d hybridization and should have a triangular bipyramidal geometry.

Conclusion

The geometry of a given compound can be predicted using the hybridization of the central atom present.

(b)

Expert Solution
Check Mark
Interpretation Introduction

Interpretation: The expected hybridization of the central atom, for the given species, is to be determined.

Concept introduction: The following steps are to be followed to determine the hybridization and the molecular structure of a given compound,

  • The central atom is identified.
  • Its valence electrons are determined.
  • 1e is added to the total number of valence electrons for each monovalent atom present.
  • The total number obtained is divided by 2, to find the number of electron pairs.
  • This further gives us the hybridization of the given compound.

For an atom, present in the structure of a compound, the sum of the number of bonded atoms and the number of lone pairs present on it gives its steric number. The value of the steric number gives us the hybridization of the atom.

To determine: The expected hybridization of the central atom in ICl3.

Answer to Problem 48E

Answer

The given compound is sp3d hybridized.

Explanation of Solution

The central atom in ICl3 is iodine (I). The atomic number of iodine is 53 and its electronic configuration is,

1s22s22p63s23p63d104s24p64d105s25p5

The valence electron of iodine is 7

The formula of number of electron pairs is,

X=V+M±C2

Where,

  • X is number of electron pairs.
  • V is valence electrons of central atom.
  • M is number of monovalent atoms.
  • C is charge on compound.

The number of electron pairs is,

X=V+M±C2X=7+32=5

This means that the central atom shows sp3d hybridization and should have a triangular bipyramidal geometry.

Conclusion

The geometry of a given compound can be predicted using the hybridization of the central atom present.

(c)

Expert Solution
Check Mark
Interpretation Introduction

Interpretation: The expected hybridization of the central atom, for the given species, is to be determined.

Concept introduction: The following steps are to be followed to determine the hybridization and the molecular structure of a given compound,

  • The central atom is identified.
  • Its valence electrons are determined.
  • 1e is added to the total number of valence electrons for each monovalent atom present.
  • The total number obtained is divided by 2, to find the number of electron pairs.
  • This further gives us the hybridization of the given compound.

For an atom, present in the structure of a compound, the sum of the number of bonded atoms and the number of lone pairs present on it gives its steric number. The value of the steric number gives us the hybridization of the atom.

To determine: The expected hybridization of the central atom in TeF4.

Answer to Problem 48E

Answer

The given compound is sp3d hybridized.

Explanation of Solution

The atomic number of central atom tellurium (Te) is 16 and its electronic configuration is,

1s22s22p63s23p63d104s24p64d105s25p4

The valence electron of tellurium is 6

The formula of number of electron pairs is,

X=V+M±C2

Where,

  • X is number of electron pairs.
  • V is valence electrons of central atom.
  • M is number of monovalent atoms.
  • C is charge on compound.

The number of electron pairs is,

X=V+M±C2X=6+42=5

This means that the central atom shows sp3d hybridization and should have a triangular bipyramidal geometry.

Conclusion

The geometry of a given compound can be predicted using the hybridization of the central atom present.

(d)

Expert Solution
Check Mark
Interpretation Introduction

Interpretation: The expected hybridization of the central atom, for the given species, is to be determined.

Concept introduction: The following steps are to be followed to determine the hybridization and the molecular structure of a given compound,

  • The central atom is identified.
  • Its valence electrons are determined.
  • 1e is added to the total number of valence electrons for each monovalent atom present.
  • The total number obtained is divided by 2, to find the number of electron pairs.
  • This further gives us the hybridization of the given compound.

For an atom, present in the structure of a compound, the sum of the number of bonded atoms and the number of lone pairs present on it gives its steric number. The value of the steric number gives us the hybridization of the atom.

To determine: The expected hybridization of the central atom in PCl5.

Answer to Problem 48E

Answer

The given compound is sp3d hybridized.

Explanation of Solution

The central atom in PCl5 is phosphorous (P). The electronic configuration of phosphorous is,

1s22s22p63s23p3

The valence electron of phosphorous is 5.

The formula of number of electron pairs is,

X=V+M±C2

Where,

  • X is number of electron pairs.
  • V is valence electrons of central atom.
  • M is number of monovalent atoms.
  • C is charge on compound.

The number of electron pairs is,

X=V+M±C2X=5+52=5

This means that the central atom shows sp3d hybridization and should have a triangular bipyramidal geometry.

Conclusion

The geometry of a given compound can be predicted using the hybridization of the central atom present.

(a)

Expert Solution
Check Mark
Interpretation Introduction

Interpretation: The expected hybridization of the central atom, for the given species, is to be determined.

Concept introduction: The following steps are to be followed to determine the hybridization and the molecular structure of a given compound,

  • The central atom is identified.
  • Its valence electrons are determined.
  • 1e is added to the total number of valence electrons for each monovalent atom present.
  • The total number obtained is divided by 2, to find the number of electron pairs.
  • This further gives us the hybridization of the given compound.

For an atom, present in the structure of a compound, the sum of the number of bonded atoms and the number of lone pairs present on it gives its steric number. The value of the steric number gives us the hybridization of the atom.

To determine: The expected hybridization of the central atom in ICl5.

Answer to Problem 48E

The given compound is sp3d2 hybridized.

Explanation of Solution

The central atom in ICl5 is iodine (I). The atomic number of iodine is 53 and its electronic configuration is,

1s22s22p63s23p63d104s24p64d105s25p5

The valence electron of iodine is 7.

The formula of number of electron pairs is,

X=V+M±C2

Where,

  • X is number of electron pairs.
  • V is valence electrons of central atom.
  • M is number of monovalent atoms.
  • C is charge on compound.

The number of electron pairs is,

X=V+M±C2X=7+52=6

This means that the central atom shows sp3d2 hybridization and should have a square bipyramidal geometry.

Conclusion

The geometry of a given compound can be predicted using the hybridization of the central atom present.

(b)

Expert Solution
Check Mark
Interpretation Introduction

Interpretation: The expected hybridization of the central atom, for the given species, is to be determined.

Concept introduction: The following steps are to be followed to determine the hybridization and the molecular structure of a given compound,

  • The central atom is identified.
  • Its valence electrons are determined.
  • 1e is added to the total number of valence electrons for each monovalent atom present.
  • The total number obtained is divided by 2, to find the number of electron pairs.
  • This further gives us the hybridization of the given compound.

For an atom, present in the structure of a compound, the sum of the number of bonded atoms and the number of lone pairs present on it gives its steric number. The value of the steric number gives us the hybridization of the atom.

To determine: The expected hybridization of the central atom in XeCl4.

Answer to Problem 48E

Answer

The given compound is sp3d2 hybridized.

Explanation of Solution

The central atom in XeCl4 is xenon (Xe). The atomic number of xenon is 54 and its electronic configuration is,

1s22s22p63s23p63d104s24p64d105s25p6

The valence electron of xenon is 8.

The formula of number of electron pairs is,

X=V+M±C2

Where,

  • X is number of electron pairs.
  • V is valence electrons of central atom.
  • M is number of monovalent atoms.
  • C is charge on compound.

The number of electron pairs is,

X=V+M±C2X=8+42=6

This means that the central atom shows sp3d2 hybridization and should have a square bipyramidal geometry.

Conclusion

The geometry of a given compound can be predicted using the hybridization of the central atom present.

(c)

Expert Solution
Check Mark
Interpretation Introduction

Interpretation: The expected hybridization of the central atom, for the given species, is to be determined.

Concept introduction: The following steps are to be followed to determine the hybridization and the molecular structure of a given compound,

  • The central atom is identified.
  • Its valence electrons are determined.
  • 1e is added to the total number of valence electrons for each monovalent atom present.
  • The total number obtained is divided by 2, to find the number of electron pairs.
  • This further gives us the hybridization of the given compound.

For an atom, present in the structure of a compound, the sum of the number of bonded atoms and the number of lone pairs present on it gives its steric number. The value of the steric number gives us the hybridization of the atom.

To determine: The expected hybridization of the central atom in SeCl6.

Answer to Problem 48E

The given compound is sp3d2 hybridized.

Explanation of Solution

The atomic number of central atom selenium (Se) is 34 and its electronic configuration is,

1s22s22p63s23p63d104s24p4

The valence electron of selenium is 6.

The formula of number of electron pairs is,

X=V+M±C2

Where,

  • X is number of electron pairs.
  • V is valence electrons of central atom.
  • M is number of monovalent atoms.
  • C is charge on compound.

The number of electron pairs is,

X=V+M±C2X=6+62=6

This means that the central atom shows sp3d2 hybridization and should have a square bipyramidal geometry.

Conclusion

The geometry of a given compound can be predicted using the hybridization of the central atom present

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