PHYSICAL CHEMISTRY-WEBASSIGN
PHYSICAL CHEMISTRY-WEBASSIGN
11th Edition
ISBN: 9780357087411
Author: ATKINS
Publisher: CENGAGE L
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Chapter 9, Problem 9.1IA
Interpretation Introduction

Interpretation:

The molecular orbital energy level diagrams of ethene on the basis that the molecule is formed from the appropriately hybridized CH2 or CH fragments has to be constructed.

Concept introduction:

Huckel molecular orbital theory is used for the determination of the energies of molecular orbitals of π electrons of conjugated systems.  In Huckel molecular orbital theory, molecular orbitals are formed by a linear combination of atomic orbitals.

Molecular orbital diagrams are used for determining the bonding in molecules using a linear combination of atomic orbitals.  The number of molecular orbitals formed is equal to the number of atomic orbitals that combine with each other.  The energy of the molecular orbital is given by the expression shown below.

  E±=12AB12AB){1+(αAB)2}12

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Done 11:14 ⚫ worksheets.beyondlabz.com 5 (a). Using the peak information you listed in the tables for both structures, assign each peak to that portion of the structure that produces the peak in the NMR spectrum. Draw this diagram on your own sheet of paper and attach the sketch of your drawing to this question. Question 6 5 (b). Using the peak information you listed in the tables for both structures, assign each peak to that portion of the structure that produces the peak in the NMR spectrum. Draw this diagram on your own sheet of paper and attach the sketch of your drawing to this question. Question 7 6. Are there any differences between the spectra you obtained in Beyond Labz and the predicted spectra? If so, what were the differences? <
2. Predict the NMR spectra for each of these two compounds by listing, in the NMR tables below, the chemical shift, the splitting, and the number of hydrogens associated with each predicted peak. Sort the peaks from largest chemical shift to lowest. **Not all slots must be filled** Peak Chemical Shift (d) 5.7 1 Multiplicity multiplate .......... 5.04 double of doublet 2 4.98 double of doublet 3 4.05 doublet of quartet 4 5 LO 3.80 quartet 1.3 doublet 6 Peak Chemical Shift (d) Multiplicity

Chapter 9 Solutions

PHYSICAL CHEMISTRY-WEBASSIGN

Ch. 9 - Prob. 9A.3AECh. 9 - Prob. 9A.3BECh. 9 - Prob. 9A.4AECh. 9 - Prob. 9A.4BECh. 9 - Prob. 9A.5AECh. 9 - Prob. 9A.5BECh. 9 - Prob. 9A.6AECh. 9 - Prob. 9A.6BECh. 9 - Prob. 9A.7AECh. 9 - Prob. 9A.7BECh. 9 - Prob. 9A.8AECh. 9 - Prob. 9A.8BECh. 9 - Prob. 9A.1PCh. 9 - Prob. 9A.2PCh. 9 - Prob. 9A.3PCh. 9 - Prob. 9B.2DQCh. 9 - Prob. 9B.3DQCh. 9 - Prob. 9B.1AECh. 9 - Prob. 9B.1BECh. 9 - Prob. 9B.2AECh. 9 - Prob. 9B.2BECh. 9 - Prob. 9B.3AECh. 9 - Prob. 9B.3BECh. 9 - Prob. 9B.4AECh. 9 - Prob. 9B.4BECh. 9 - Prob. 9B.1PCh. 9 - Prob. 9B.2PCh. 9 - Prob. 9B.3PCh. 9 - Prob. 9C.1DQCh. 9 - Prob. 9C.2DQCh. 9 - Prob. 9C.3DQCh. 9 - Prob. 9C.4DQCh. 9 - Prob. 9C.1AECh. 9 - Prob. 9C.1BECh. 9 - Prob. 9C.2AECh. 9 - Prob. 9C.2BECh. 9 - Prob. 9C.3AECh. 9 - Prob. 9C.3BECh. 9 - Prob. 9C.4AECh. 9 - Prob. 9C.4BECh. 9 - Prob. 9C.5AECh. 9 - Prob. 9C.5BECh. 9 - Prob. 9C.6AECh. 9 - Prob. 9C.6BECh. 9 - Prob. 9C.2PCh. 9 - Prob. 9C.4PCh. 9 - Prob. 9D.1DQCh. 9 - Prob. 9D.2DQCh. 9 - Prob. 9D.3DQCh. 9 - Prob. 9D.4DQCh. 9 - Prob. 9D.1AECh. 9 - Prob. 9D.1BECh. 9 - Prob. 9D.2AECh. 9 - Prob. 9D.2BECh. 9 - Prob. 9D.3AECh. 9 - Prob. 9D.3BECh. 9 - Prob. 9D.4AECh. 9 - Prob. 9D.4BECh. 9 - Prob. 9D.5AECh. 9 - Prob. 9D.5BECh. 9 - Prob. 9D.6AECh. 9 - Prob. 9D.6BECh. 9 - Prob. 9D.7AECh. 9 - Prob. 9D.7BECh. 9 - Prob. 9D.1PCh. 9 - Prob. 9E.1DQCh. 9 - Prob. 9E.2DQCh. 9 - Prob. 9E.3DQCh. 9 - Prob. 9E.4DQCh. 9 - Prob. 9E.5DQCh. 9 - Prob. 9E.1AECh. 9 - Prob. 9E.1BECh. 9 - Prob. 9E.2AECh. 9 - Prob. 9E.2BECh. 9 - Prob. 9E.3AECh. 9 - Prob. 9E.3BECh. 9 - Prob. 9E.4AECh. 9 - Prob. 9E.4BECh. 9 - Prob. 9E.6AECh. 9 - Prob. 9E.6BECh. 9 - Prob. 9E.1PCh. 9 - Prob. 9E.2PCh. 9 - Prob. 9E.3PCh. 9 - Prob. 9E.6PCh. 9 - Prob. 9.1IACh. 9 - Prob. 9.2IACh. 9 - Prob. 9.4IA
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