Which of the substances has polar interactions (dipole-dipole forces) between molecules?CFA4CHF3N₂SO2HBr

Answered: Which of the substances has polar…

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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Question

Which of the substances has polar interactions (dipole-dipole forces) between molecules?
CFA
4
CHF3
N₂
SO2
HBr

Expert Solution

Step 1

Dipole-dipole interaction refers to the electrostatic attraction between two polar molecules. In a polar molecule, the electrons are not shared equally between the atoms, resulting in a partial positive charge on one end of the molecule and a partial negative charge on the other end.

When two polar molecules are close to each other, the partial positive end of one molecule is attracted to the partial negative end of the other molecule, and vice versa. This results in a dipole-dipole interaction or a van der Waals force.

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