As a pure substance, which of the following could experience dipole-dipole interactions? 1. CO, II. HCI II. CCI, A) I only B) II only C) III only D) Il and III only E) I, II, and II
As a pure substance, which of the following could experience dipole-dipole interactions? 1. CO, II. HCI II. CCI, A) I only B) II only C) III only D) Il and III only E) I, II, and II
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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Transcribed Image Text:**Question 17 of 34**
As a pure substance, which of the following could experience dipole-dipole interactions?
I. CO₂
II. HCl
III. CCl₄
A) I only
B) II only
C) III only
D) II and III only
E) I, II, and III
**Explanation:**
Dipole-dipole interactions occur between polar molecules, where there is a significant difference in electronegativity between the atoms, leading to a permanent dipole moment.
- **CO₂** is a linear molecule and nonpolar despite the polar bonds because the dipoles cancel out.
- **HCl** is a diatomic molecule with a significant electronegativity difference, making it polar and capable of dipole-dipole interactions.
- **CCl₄** is a tetrahedral molecule, overall nonpolar due to the symmetric arrangement of polar bonds.
Thus, only HCl (Option B) can experience dipole-dipole interactions.
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