Nitrite lon, NO, Lewis Structure 3-D Molecular Structure Number of Valence Electrons Steric Number of Central Atom Electron Group Geometry/ Hybridization Molecular Geometry Bond Angle(s) Polar? (If yes, show dipole on 3-D structure)
Nitrite lon, NO, Lewis Structure 3-D Molecular Structure Number of Valence Electrons Steric Number of Central Atom Electron Group Geometry/ Hybridization Molecular Geometry Bond Angle(s) Polar? (If yes, show dipole on 3-D structure)
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:**Nitrite Ion, NO₂⁻**
The table below details various structural aspects of the nitrite ion:
| Property | Lewis Structure | 3-D Molecular Structure |
|---------------------------------------|-----------------|------------------------|
| Number of Valence Electrons | | |
| Steric Number of Central Atom | | |
| Electron Group Geometry/Hybridization | | |
| Molecular Geometry | | |
| Bond Angle(s) | | |
| Polar? (If yes, show dipole on 3-D) | | |
**Explanation:**
- **Lewis Structure:** This column is reserved for the two-dimensional representation where atoms are connected by lines representing covalent bonds, and lone pairs are also displayed.
- **3-D Molecular Structure:** This section is meant for depicting the three-dimensional geometry, which considers bond angles and molecular shape. If the molecule is polar, it is illustrated here as well.
The table provides a systematic method for analyzing the electron configuration and geometry of the nitrite ion in both 2-D and 3-D forms.
Expert Solution
Step 1
Given - Nitrite ion , NO2-
In this ion one Nitrogen has 5 Valence shell Electrons, oxygen has 6 Valence shell Electrons and one extra Electron due to negative charge. Thus total Valence electrons are -
=> 5+6×2+1 = 18 electrons
Nitrogen is surrounded by two oxygen and one lone pair , thus steric Number is = 3
Due to three groups, it's electron group Geometry is = Trigonal
And hybridization is = sp2
But due to repulsion of lone pair Electrons, the actual Molecular geometry is = Bent
It has bond angle = 115.4°
And, it is a polar ion due to one lone pair and two bond pairs , more electronegative oxygen attached with Nitrogen, thus it is polar.
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