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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Bond Parameters
Many factors decide the covalent bonding between atoms. Some of the bond parameters are bond angle, bond order, enthalpy, bond length, etc. These parameters decide what kind of bond will form in atoms. Hence it is crucial to understand these parameters in detail and understand how changing these parameters affects the kind of bonding or various characteristics.
Bond Dissociation Energy
The tendency of an atom to attract an electron is known as its electronegativity.
Question
Order the following bonds from most polar to least polar: M-E L-G D-Q
Group of answer choices
M-E > L-G > D-Q
D-Q < L-G > M-E
M-E > D-Q > L-G
L-G > D-Q > M-E
Transcribed Image Text:**Ordering Bond Polarity Based on Electronegativity**
**Question:**
Order the following bonds from most polar to least polar: M-E, L-G, D-Q.
---
**Table of Fictitious Electronegativity Values:**
- A: 2.5
- D: 2.3
- E: 3.2
- G: 3.6
- J: 4.0
- L: 1.8
- M: 2.6
- Q: 3.0
- R: 3.3
---
**Options:**
1. M-E > L-G > D-Q
2. D-Q < L-G > M-E
3. M-E > D-Q > L-G
4. L-G > D-Q > M-E
**Explanation of Electronegativity:**
Electronegativity is the tendency of an atom to attract electrons in a chemical bond. The difference in electronegativity between two atoms in a bond determines the bond's polarity. A larger difference results in a more polar bond.
To determine bond polarity:
- **M-E (2.6 and 3.2):** Difference of 0.6
- **L-G (1.8 and 3.6):** Difference of 1.8
- **D-Q (2.3 and 3.0):** Difference of 0.7
Calculate the difference for each bond to order them from most polar to least polar.
**Correct Order:** L-G > D-Q > M-E
This order is selected based on the calculated differences in electronegativity, identifying the bond with the greatest difference as the most polar.
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