Molecules which have electron-region geometry same as that of molecular-geometry has to be given. Concept Introduction: Lewis structures are diagrams that represent the chemical bonding of covalently bonded molecules and coordination compounds. Electron geometry is the shape of a molecule predicted by considering both bond electron pairs and lone pair of electrons.

Question

Rubbing alcohol is the common name for 2-propanol (iso- propanol), C3H7OH. (a) Draw the three-dimensional structure of the 2-propanol molecule and predict the geometry around each carbon atom. (b) Is the 2-propanol molecule polar or nonpolar? (c) What kinds of intermolecular attractive forces exist between the 2-propanol molecules? (d) The isomer 1-propanol has the same molecular weight as 2-propanol, yet 2-propanol boils at 82.6 °C and 1-propanol boils at 97.2 °C. Explain the difference.

Answer 1

Question

Chapter 7, Problem 80QRT

(a)

Interpretation Introduction

Interpretation:

Molecules which have electron-region geometry same as that of molecular-geometry has to be given.

Concept Introduction:

Lewis structures are diagrams that represent the chemical bonding of covalently bonded molecules and coordination compounds.

Electron geometry is the shape of a molecule predicted by considering both bond electron pairs and lone pair of electrons.

(b)

Interpretation Introduction

Interpretation:

Nonpolar molecules have to be identified.

(c)

Interpretation Introduction

Interpretation:

Molecules which have linear geometry have to be identified.

(d)

Interpretation Introduction

Interpretation:

Molecules which have triangular planar geometry have to be identified.

(e)

Interpretation Introduction

Interpretation:

The boxes which have molecules having central atom with sp3 hybridisation have to be given.

(f)

Interpretation Introduction

Interpretation:

The boxes which have molecules having central atom with sp2 hybridisation have to be given.

(g)

Interpretation Introduction

Interpretation:

The box which contains molecules with both dipole-dipole and hydrogen bonding forces has to be given.

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Rubbing alcohol is the common name for 2-propanol (iso- propanol), C3H7OH. (a) Draw the three-dimensional structure of the 2-propanol molecule and predict the geometry around each carbon atom. (b) Is the 2-propanol molecule polar or nonpolar? (c) What kinds of intermolecular attractive forces exist between the 2-propanol molecules? (d) The isomer 1-propanol has the same molecular weight as 2-propanol, yet 2-propanol boils at 82.6 °C and 1-propanol boils at 97.2 °C. Explain the difference.

(A)The following figure is the open chain structure of Glucose molecule. There are certain functional groups present in this molecule. Answer the following questions about this molecule. сно н—с OH но —с —н н—с он н—с OH CH2ОН a) How many different functional groups are present in the molecule? Write their names. b) Calculate the total number of bonds present in this molecule.

In structure (a), four pairs of electrons give ______ electron geometry. The lone pair would cause lone pair-bonded pair repulsions and would have ______molecular geometry. In structure (b), five pairs of electrons give ______electron geometry. The lone pair occupies an equatorial position to minimize lone pair-bonded pair repulsions, and the molecule would have ______ molecular geometry. In structure (c), six pairs of electrons give ______ electron geometry. The two lone pairs would occupy opposite positions to minimize lone pair-lone pair repulsions, and the molecule would have ______ molecular geometry.

Answer 2

Question

Chapter 7, Problem 80QRT

(a)

Interpretation Introduction

Interpretation:

Molecules which have electron-region geometry same as that of molecular-geometry has to be given.

Concept Introduction:

Lewis structures are diagrams that represent the chemical bonding of covalently bonded molecules and coordination compounds.

Electron geometry is the shape of a molecule predicted by considering both bond electron pairs and lone pair of electrons.

(b)

Interpretation Introduction

Interpretation:

Nonpolar molecules have to be identified.

(c)

Interpretation Introduction

Interpretation:

Molecules which have linear geometry have to be identified.

(d)

Interpretation Introduction

Interpretation:

Molecules which have triangular planar geometry have to be identified.

(e)

Interpretation Introduction

Interpretation:

The boxes which have molecules having central atom with sp3 hybridisation have to be given.

(f)

Interpretation Introduction

Interpretation:

The boxes which have molecules having central atom with sp2 hybridisation have to be given.

(g)

Interpretation Introduction

Interpretation:

The box which contains molecules with both dipole-dipole and hydrogen bonding forces has to be given.

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Answer 3

Question

Chapter 7, Problem 80QRT

(a)

Interpretation Introduction

Interpretation:

Molecules which have electron-region geometry same as that of molecular-geometry has to be given.

Concept Introduction:

Lewis structures are diagrams that represent the chemical bonding of covalently bonded molecules and coordination compounds.

Electron geometry is the shape of a molecule predicted by considering both bond electron pairs and lone pair of electrons.

(b)

Interpretation Introduction

Interpretation:

Nonpolar molecules have to be identified.

(c)

Interpretation Introduction

Interpretation:

Molecules which have linear geometry have to be identified.

(d)

Interpretation Introduction

Interpretation:

Molecules which have triangular planar geometry have to be identified.

(e)

Interpretation Introduction

Interpretation:

The boxes which have molecules having central atom with sp3 hybridisation have to be given.

(f)

Interpretation Introduction

Interpretation:

The boxes which have molecules having central atom with sp2 hybridisation have to be given.

(g)

Interpretation Introduction

Interpretation:

The box which contains molecules with both dipole-dipole and hydrogen bonding forces has to be given.

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Answer 4

Question

Chapter 7, Problem 80QRT

(a)

Interpretation Introduction

Interpretation:

Molecules which have electron-region geometry same as that of molecular-geometry has to be given.

Concept Introduction:

Lewis structures are diagrams that represent the chemical bonding of covalently bonded molecules and coordination compounds.

Electron geometry is the shape of a molecule predicted by considering both bond electron pairs and lone pair of electrons.

(b)

Interpretation Introduction

Interpretation:

Nonpolar molecules have to be identified.

(c)

Interpretation Introduction

Interpretation:

Molecules which have linear geometry have to be identified.

(d)

Interpretation Introduction

Interpretation:

Molecules which have triangular planar geometry have to be identified.

(e)

Interpretation Introduction

Interpretation:

The boxes which have molecules having central atom with sp3 hybridisation have to be given.

(f)

Interpretation Introduction

Interpretation:

The boxes which have molecules having central atom with sp2 hybridisation have to be given.

(g)

Interpretation Introduction

Interpretation:

The box which contains molecules with both dipole-dipole and hydrogen bonding forces has to be given.

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Answer 5

Chapter 7, Problem 80QRT

(a)

Interpretation Introduction

Interpretation:

Molecules which have electron-region geometry same as that of molecular-geometry has to be given.

Concept Introduction:

Lewis structures are diagrams that represent the chemical bonding of covalently bonded molecules and coordination compounds.

Electron geometry is the shape of a molecule predicted by considering both bond electron pairs and lone pair of electrons.

(b)

Interpretation Introduction

Interpretation:

Nonpolar molecules have to be identified.

(c)

Interpretation Introduction

Interpretation:

Molecules which have linear geometry have to be identified.

(d)

Interpretation Introduction

Interpretation:

Molecules which have triangular planar geometry have to be identified.

(e)

Interpretation Introduction

Interpretation:

The boxes which have molecules having central atom with sp3 hybridisation have to be given.

(f)

Interpretation Introduction

Interpretation:

The boxes which have molecules having central atom with sp2 hybridisation have to be given.

(g)

Interpretation Introduction

Interpretation:

The box which contains molecules with both dipole-dipole and hydrogen bonding forces has to be given.

Answer 6

Chapter 7, Problem 80QRT

(a)

Interpretation Introduction

Interpretation:

Molecules which have electron-region geometry same as that of molecular-geometry has to be given.

Concept Introduction:

Lewis structures are diagrams that represent the chemical bonding of covalently bonded molecules and coordination compounds.

Electron geometry is the shape of a molecule predicted by considering both bond electron pairs and lone pair of electrons.

Answer 7

Chapter 7, Problem 80QRT

(a)

Interpretation Introduction

Interpretation:

Molecules which have electron-region geometry same as that of molecular-geometry has to be given.

Concept Introduction:

Lewis structures are diagrams that represent the chemical bonding of covalently bonded molecules and coordination compounds.

Electron geometry is the shape of a molecule predicted by considering both bond electron pairs and lone pair of electrons.

Answer 8

(b)

Interpretation Introduction

Interpretation:

Nonpolar molecules have to be identified.

Answer 9

(b)

Interpretation Introduction

Interpretation:

Nonpolar molecules have to be identified.

Answer 10

(c)

Interpretation Introduction

Interpretation:

Molecules which have linear geometry have to be identified.

Answer 11

(c)

Interpretation Introduction

Interpretation:

Molecules which have linear geometry have to be identified.

Answer 12

(d)

Interpretation Introduction

Interpretation:

Molecules which have triangular planar geometry have to be identified.

Answer 13

(d)

Interpretation Introduction

Interpretation:

Molecules which have triangular planar geometry have to be identified.

Answer 14

(e)

Interpretation Introduction

Interpretation:

The boxes which have molecules having central atom with sp3 hybridisation have to be given.

Answer 15

(e)

Interpretation Introduction

Interpretation:

The boxes which have molecules having central atom with sp3 hybridisation have to be given.

Answer 16

(f)

Interpretation Introduction

Interpretation:

The boxes which have molecules having central atom with sp2 hybridisation have to be given.

Answer 17

(f)

Interpretation Introduction

Interpretation:

The boxes which have molecules having central atom with sp2 hybridisation have to be given.

Answer 18

(g)

Interpretation Introduction

Interpretation:

The box which contains molecules with both dipole-dipole and hydrogen bonding forces has to be given.

Answer 19

(g)

Interpretation Introduction

Interpretation:

The box which contains molecules with both dipole-dipole and hydrogen bonding forces has to be given.

Answer 20

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Answer 21

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Answer 31

Ch. 7.2 - Identify the electron-region geometry, the...Ch. 7.2 - Based on the discussion so far, identify a...Ch. 7.2 - Prob. 7.2PSP Ch. 7.2 - Determine the electron-region geometry and the...Ch. 7.2 - Prob. 7.2CE Ch. 7.2 - Prob. 7.3E Ch. 7.2 - Prob. 7.4PSP Ch. 7.4 - Using hybridization and sigma and pi bonding,...Ch. 7.4 - Prob. 7.4CE Ch. 7.5 - Decide whether each molecule is polar and, if so,...

Solution Summary: The author explains that Lewis structures represent the chemical bonding of covalently bonded molecules and coordination compounds. Electron geometry is the shape of a molecule predicted by considering both bond electron pairs and lone pair of electrons

Concept explainers

Videos

Interpretation:

Nonpolar molecules have to be identified.

Interpretation:

Molecules which have linear geometry have to be identified.

Interpretation:

Molecules which have triangular planar geometry have to be identified.

Interpretation:

The boxes which have molecules having central atom with sp3 hybridisation have to be given.

Interpretation:

The boxes which have molecules having central atom with sp2 hybridisation have to be given.

Interpretation:

The box which contains molecules with both dipole-dipole and hydrogen bonding forces has to be given.

Chapter 7 Solutions

Solution Summary: The author explains that Lewis structures represent the chemical bonding of covalently bonded molecules and coordination compounds. Electron geometry is the shape of a molecule predicted by considering both bond electron pairs and lone pair of electrons

Concept explainers

Videos

Interpretation: Nonpolar molecules have to be identified.

Interpretation: Molecules which have linear geometry have to be identified.

Interpretation: Molecules which have triangular planar geometry have to be identified.

Interpretation: The boxes which have molecules having central atom with sp3 hybridisation have to be given.

Interpretation: The boxes which have molecules having central atom with sp2 hybridisation have to be given.

Interpretation: The box which contains molecules with both dipole-dipole and hydrogen bonding forces has to be given.

Chapter 7 Solutions

Interpretation:

Nonpolar molecules have to be identified.

Interpretation:

Molecules which have linear geometry have to be identified.

Interpretation:

Molecules which have triangular planar geometry have to be identified.

Interpretation:

The boxes which have molecules having central atom with sp3 hybridisation have to be given.

Interpretation:

The boxes which have molecules having central atom with sp2 hybridisation have to be given.

Interpretation:

The box which contains molecules with both dipole-dipole and hydrogen bonding forces has to be given.