An unknown has the formula C6H12O. The IR spectrum of this substance has a strong vibration near 1700 cm¯1 . Which structure below is consistent with these data? OH II A) I B)I| II C) II IV D) IV
An unknown has the formula C6H12O. The IR spectrum of this substance has a strong vibration near 1700 cm¯1 . Which structure below is consistent with these data? OH II A) I B)I| II C) II IV D) IV
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:**Question:**
An unknown has the formula C₆H₁₂O. The IR spectrum of this substance has a strong vibration near 1700 cm⁻¹.
Which structure below is consistent with these data?
**Options:**
Structures I, II, III, and IV are shown, each within a box.
- **I:** A linear structure featuring an alcohol group (-OH).
- **II:** Contains a carbonyl group (C=O) with branching.
- **III:** A cyclic structure with a carbonyl group (C=O) as part of a five-membered ring.
- **IV:** A cyclic structure with an alcohol group (-OH) in a five-membered ring.
**Choices:**
A) I
B) II
C) III
D) IV
---
**Explanation:**
The IR spectrum indication of a strong vibration near 1700 cm⁻¹ suggests the presence of a carbonyl group (C=O), which is typically consistent with options II and III.
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