39 **Infrared Spectroscopy in Functional Group Identification****Question:** Which functional group might be present in a compound if it shows IR absorptions at 1715 cm⁻¹ and 2500-3100 cm⁻¹ (broad)?**Answer Choices:**- A) Alcohol- B) Ether- C) Ester- D) Carboxylic acid- E) Aldehyde**Explanation:** Infrared (IR) spectroscopy is a powerful tool for identifying functional groups in organic compounds. Specific absorption bands correspond to different molecular vibrations, which are characteristic of certain functional groups.- **1715 cm⁻¹**: This absorption is typically associated with the C=O (carbonyl) stretch.- **2500-3100 cm⁻¹ (broad)**: This broad band indicates the presence of O-H stretch, often seen in carboxylic acids due to hydrogen-bonded hydroxyl groups.Based on the absorption characteristics provided, the functional group that fits these IR absorption ranges is **D) Carboxylic acid**. This group features both a carbonyl stretch around 1715 cm⁻¹ and a broad O-H stretch between 2500-3100 cm⁻¹.

IR spectroscopy is an important tool for detecting the functional group in an unknown organic…

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Which functional group might be present in a compound if it shows IR absorptions at 1715 cm1 and 2500-3100 cm¯1 (broad)? A) alcohol B) ether C) ester D) carboxylic acid E) aldehyde

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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