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:**
Which of the following compounds exhibits primarily dipole-dipole intermolecular forces?
- F₂
- CO₂
- CH₃-O-CH₃
- CH₃Cl
**Answer Explanation:**
When determining which compound exhibits dipole-dipole intermolecular forces, it's important to understand that such forces occur in polar molecules where there is an uneven distribution of electron density. This uneven distribution creates a dipole, consisting of a partial positive and a partial negative charge. Compounds like F₂ and CO₂ are nonpolar and do not exhibit dipole-dipole forces. CH₃-O-CH₃ (dimethyl ether) and CH₃Cl (methyl chloride) are polar compounds, but CH₃Cl is more typical for primarily exhibiting dipole-dipole forces due to its permanent dipole and higher polarity compared to CH₃-O-CH₃.
**Note:** The response involves an educational explanation suitable for a learning environment, focusing on the concept of intermolecular forces.
Expert Solution
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Step 1 Theory
London forces: This intermolecular force exist in non-polar compounds.
Dipole-dipole forces: This intermolecular force exist in polar molecules.
Polar molecules are formed by atoms having large difference in their electronegativity.
Non-polar molecules are formed by atoms of same or nearly same electronegativity.
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