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Atkins' Physical Chemistry | 11th Edition | ISBN: 9780198769866 | Authors: Atkins, Peter; De Paula, Julio; Keeler, James ISBN: 9780198769866 2042

Solution for problem E12B.7(b) Chapter 12B

Atkins' Physical Chemistry | 11th Edition

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Atkins' Physical Chemistry | 11th Edition | ISBN: 9780198769866 | Authors: Atkins, Peter; De Paula, Julio; Keeler, James

Atkins' Physical Chemistry | 11th Edition

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Problem E12B.7(b)

Sketch the form of the \({ }^{19}\) F NMR spectrum and the \({ }^{11}\) B NMR spectrum of \({ }^{11} \mathrm{BF}_{4}^{-}\).

Text Transcription:

^19 F

^11 B

^11 BF_4^-

Step-by-Step Solution:
Step 1 of 3

4.4 Exceptions to octet rule continued Example problems Draw the Lewis structure for SF₆ 1) S has 6, F has 7 and we have 6 Fs (7x6=42). Total we have 48 2) S is the least electronegative so it is the inner atom. 3) We have used 12 electrons so far. So, we have 36 left. S can have an expanded octet so it can have more than 4 bonds. 4) Now we have used all the electrons. Draw the Lewis structure for SO₂²⁻ 1) S has 6, O has 6 and we have 2 Os (6x2=12), and there is a -2 charge so we gain 2 electrons. Total we have 20. 2) S is the least electronegative so it is the inner atom. 3) We have used 4 electrons. So, we have 16 left. 4) Now all electrons have been used. 4.5 Resonance Resonance- when double or triple bonds can exist in multiple spaces The actual observed structure of ozone (O₃) is a hybrid of the above structure. Where both bonds are the same length and strength. The bonds end up being 1.5 bond. The electrons are delocalized leading to resonance stabilization. Bond order= number of bonds/ number of bonding positions Example problems Draw the resonance forms of NO₃⁻ and determine the bond order 1) First let’s draw the Lewis structure. This structure needs one more bond between the N and an O. Which mean the bond could be placed in three different spots. 2) Let’s draw all the resonance structures 3) For the bond order there are 4 bonds and 3 bonding positions. So the

Step 2 of 3

Chapter 12B, Problem E12B.7(b) is Solved
Step 3 of 3

Textbook: Atkins' Physical Chemistry
Edition: 11
Author: Atkins, Peter; De Paula, Julio; Keeler, James
ISBN: 9780198769866

The answer to “?Sketch the form of the \({ }^{19}\) F NMR spectrum and the \({ }^{11}\) B NMR spectrum of \({ }^{11} \mathrm{BF}_{4}^{-}\).Text Transcription:^19 F^11 B ^11 BF_4^-” is broken down into a number of easy to follow steps, and 26 words. The full step-by-step solution to problem: E12B.7(b) from chapter: 12B was answered by Aimee Notetaker, our top Chemistry solution expert on 04/25/22, 03:45PM. This textbook survival guide was created for the textbook: Atkins' Physical Chemistry, edition: 11. Since the solution to E12B.7(b) from 12B chapter was answered, more than 204 students have viewed the full step-by-step answer. Atkins' Physical Chemistry was written by Aimee Notetaker and is associated to the ISBN: 9780198769866. This full solution covers the following key subjects: . This expansive textbook survival guide covers 327 chapters, and 1120 solutions.

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