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How many signals would be present in the ¹HNMR?

How many signals would be present in the ¹HNMR?

Chemistry
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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PLEASE BE SPACIFIC IN THE ANSWER (Example: "It's A") WILL RATE, THANK YOU!

### Question 13 **Question:** How many signals would be present in the \( ^1\text{H NMR} \)? **Molecule Structure:** The structure is a ketone with a central carbonyl group. The molecule has a total of four carbon atoms arranged as follows: - The carbonyl group (C=O) is attached to: - A methyl group (CH₃) on one side. - A methine group (CH) with one hydrogen and two methyl groups attached (isopropyl group) on the other side. **Answer Choices:** - ○ 4 - ○ none of the above - ○ 3 - ○ 2 **Explanation:** The question involves determining the number of distinct hydrogen environments in the given molecule, which would correspond to the number of signals in a \( ^1\text{H NMR} \) spectrum. Analyze the symmetry and the distinct types of hydrogen atoms present in the molecule to choose the correct answer.
Transcribed Image Text:### Question 13 **Question:** How many signals would be present in the \( ^1\text{H NMR} \)? **Molecule Structure:** The structure is a ketone with a central carbonyl group. The molecule has a total of four carbon atoms arranged as follows: - The carbonyl group (C=O) is attached to: - A methyl group (CH₃) on one side. - A methine group (CH) with one hydrogen and two methyl groups attached (isopropyl group) on the other side. **Answer Choices:** - ○ 4 - ○ none of the above - ○ 3 - ○ 2 **Explanation:** The question involves determining the number of distinct hydrogen environments in the given molecule, which would correspond to the number of signals in a \( ^1\text{H NMR} \) spectrum. Analyze the symmetry and the distinct types of hydrogen atoms present in the molecule to choose the correct answer.
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The number of 1HNMR signal of the given molecule is Four.

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