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Use these molecules to answer questions 14-17. H H :F-Si-F: H -C-C-0: -H- H-C :F : H H H A В C 14. Which molecule(s) is/are polar? A) A В) В С) С D) B and C E) A and C

Use these molecules to answer questions 14-17. H H :F-Si-F: H -C-C-0: -H- H-C :F : H H H A В C 14. Which molecule(s) is/are polar? A) A В) В С) С D) B and C E) A and C

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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### Molecular Polarity Analysis Exercise **Instructions:** Use these molecules to answer questions 14-17. #### Diagram Descriptions: **Molecule A:** - Structure: A silicon (Si) atom is at the center bonded to four fluorine (F) atoms. Each F atom has three lone pairs of electrons, represented by six dots around each F. This is a tetrahedral shape. **Molecule B:** - Structure: The molecule is composed of two carbon (C) atoms connected by a single bond, with hydrogen (H) atoms attached to each carbon. One of the carbons is also bonded to an oxygen (O) atom with two lone pairs of electrons. The overall shape is linear around the C=C double bond. **Molecule C:** - Structure: Three carbon (C) atoms are connected in a chain. The middle carbon atom is double-bonded to an oxygen (O) atom with two lone pairs. The end carbon atoms are also bonded to hydrogen (H) atoms. The shape includes linear and planar elements, with a central C=O bond. #### Question 14: **Which molecule(s) is/are polar?** **Options:** - A) Molecule A - B) Molecule B - C) Molecule C - D) Molecule B and C - E) Molecule A and C --- ### Explanation on Polarity: When determining the polarity of a molecule, consider the shape and the distribution of electronegative atoms or groups, such as fluorine or oxygen. Molecules with an asymmetrical distribution may have dipole moments resulting in polarity.
Transcribed Image Text:### Molecular Polarity Analysis Exercise **Instructions:** Use these molecules to answer questions 14-17. #### Diagram Descriptions: **Molecule A:** - Structure: A silicon (Si) atom is at the center bonded to four fluorine (F) atoms. Each F atom has three lone pairs of electrons, represented by six dots around each F. This is a tetrahedral shape. **Molecule B:** - Structure: The molecule is composed of two carbon (C) atoms connected by a single bond, with hydrogen (H) atoms attached to each carbon. One of the carbons is also bonded to an oxygen (O) atom with two lone pairs of electrons. The overall shape is linear around the C=C double bond. **Molecule C:** - Structure: Three carbon (C) atoms are connected in a chain. The middle carbon atom is double-bonded to an oxygen (O) atom with two lone pairs. The end carbon atoms are also bonded to hydrogen (H) atoms. The shape includes linear and planar elements, with a central C=O bond. #### Question 14: **Which molecule(s) is/are polar?** **Options:** - A) Molecule A - B) Molecule B - C) Molecule C - D) Molecule B and C - E) Molecule A and C --- ### Explanation on Polarity: When determining the polarity of a molecule, consider the shape and the distribution of electronegative atoms or groups, such as fluorine or oxygen. Molecules with an asymmetrical distribution may have dipole moments resulting in polarity.
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