Organic Chemistry Organic Chemistry Practice Problems Solutions Library

Infrared Spectroscopy Table Solutions Library

Access 38 Infrared Spectroscopy Table video and text solutions to help you complete your homework. Need to revisit the concept? Watch our Infrared Spectroscopy Table learn videos.

Browse Solutions

38 solutions

Infrared Spectroscopy Table

Q. Which peaks in your IR spectrum match the known structure of caffeine? for each diagnostic peak, you should identify its frequency in wavenumbers a...

Solved • Mar 16, 2020

Infrared Spectroscopy Table

Q. The IR spectrum of benzoic acid is included on page 3. Assign three specific absorbance bands (from the peak list below the spectrum) to the corres...

Solved • Mar 16, 2020

Infrared Spectroscopy Table

Q. Which functional group has a characteristic absorption in the 1630-1800 cm -1 region? Select one: a. amine b. alkene c. alcohol d. amide 

Solved • Jul 31, 2018

Infrared Spectroscopy Table

Q. Which of the following carbonyl compounds would have its carbonyl absorption at the highest wavenumber in its IR spectrum?

Solved • Dec 20, 2017

Infrared Spectroscopy Table

Q. Which of the following carbonyl compounds would have its carbonyl absorption at the lowest wavenumber in its IR spectrum?

Solved • Dec 20, 2017

Infrared Spectroscopy Table

Q. How could IR Spectroscopy be used to distinguish between the following two compounds?

Solved • Dec 20, 2017

Infrared Spectroscopy Table

Q. Below is the IR graph of a compound with the MF C4H8O2. Identify and label peaks a, b and c in the spectrum that are consistent with the molecular ...

Solved • May 9, 2017

Infrared Spectroscopy Table

Q. Identify the functional groups that are indicated in the following IR spectra.

Solved • Jan 31, 2017

Infrared Spectroscopy Table

Q. Which of the following compounds gives an infrared spectrum with peaks at 3000-3500 cm-1 and ~1750 cm-1? a. 1          b. 2        c. 3       d. 4

Solved • Dec 20, 2016

Infrared Spectroscopy Table

Q. For the following reaction, which of the following change(s) in the IR spectrum is consistent with conversion of the reactant to the product? a. a...

Solved • Dec 20, 2016

Infrared Spectroscopy Table

Q. Which of the following compounds will show a broad absorption around 3300 cm-1 and a sharp absorption at 1650 cm-1? a. I  b. II  c. III  d. IV  e. V

Solved • Dec 20, 2016

Infrared Spectroscopy Table

Q. Which one of the following compounds is consistent with the following IR spectrum? a. I        b. II            c. III         d. IV          e. V

Solved • Dec 20, 2016

Infrared Spectroscopy Table

Q. Rank IR absorption of the indicated bonds in decreasing (highest to lowest) order of wavenumber. a. III>II>I b. I>II>III c. II>I&gt...

Solved • Dec 20, 2016

Infrared Spectroscopy Table

Q. Which compound would be expected to show intense IR absorption at 1746 cm-1? a. CH3CH2OCH2CH3 b. CH3COOCH3 c. CH3CH2CH≡CH d. CH3CH2SCH

Solved • Dec 20, 2016

Infrared Spectroscopy Table

Q. A saturated compound (IHD = 0) that contains oxygen and shows strong broadened IR signal above 3000 cm –1 is likely  a) ketone b) an alcohol c) ...

Solved • Dec 14, 2016

Infrared Spectroscopy Table

Q. Which compound will likely NOT show a significant IR signal between 4000 & 2500 cm –1 ? a) CH2Cl2 b) Cyclohexane c) 1-Hexene d) CCl4 e) Al...

Solved • Dec 14, 2016

Infrared Spectroscopy Table

Q. Which compound will likely show a significant IR signal between 2000 and 1500 cm –1 ? a) Hexane b) 1-Hexyne c) CH3CH2CH2CH2CH2CH=O d) CH3CH2CH2...

Solved • Dec 14, 2016

Infrared Spectroscopy Table

Q. A compound contains oxygen but has no IR signals above 3000 cm –1 or between 2000 and 1500 cm –1. This is consistent with the compound being a) an...

Solved • Dec 14, 2016

Infrared Spectroscopy Table

Q. In what region of an IR spectrum will the triple bond stretch of 1-heptyne be detected? a) 4000-2500 cm –1 b) 2500-2000 cm –1 c) 2000-1500 cm –1...

Solved • Dec 14, 2016

Infrared Spectroscopy Table

Q. Identify which carbonyl group will exhibit a signal at a lower wavenumber. 

Solved • Oct 21, 2016

Infrared Spectroscopy Table

Q. Answer each of the following questions based on the images below. a) Which compounds show an intense peak ~ 1700 cm -1?   b) Which compound show...

Solved • Oct 21, 2016

Infrared Spectroscopy Table

Q. Rank the indicated bonds in decreasing (highest to lowest) order of wavenumber. a) None of these b) III > I > II c) II > I > III d)...

Solved • Sep 5, 2016

Infrared Spectroscopy Table

Q. How would you distinguish the formula by IR spectroscopy? Please list the major difference in the spectra and provide frequencies.

Solved • Aug 5, 2016

Infrared Spectroscopy Table

Q. Which function group is missing in the following IR spectrum? a) OH           b) sp  2C         c) sp 3C         d) C=O        e) all are present

Solved • Aug 3, 2016

Infrared Spectroscopy Table

Q. Predict the key IR absorption bands whose presence would allow each compound in pairs

Solved • Jun 9, 2016

Infrared Spectroscopy Table

Q. Predict the key IR absorption bands whose presence would allow each compound in pairs

Solved • Jun 9, 2016

Infrared Spectroscopy Table

Q. Predict the key IR absorption bands whose presence would allow each compound in pairs.

Solved • Jun 9, 2016

Infrared Spectroscopy Table

Q. Predict the key IR absorption bands whose presence would allow each compound in pairs.

Solved • Jun 9, 2016

Infrared Spectroscopy Table

Q. Predict the key IR absorption bands whose presence would allow each compound in pairs.  

Solved • Jun 9, 2016

Infrared Spectroscopy Table

Q. Predict the key IR absorption bands whose presence would allow each compound in pairs.

Solved • Jun 9, 2016

Infrared Spectroscopy Table

Q. Deuterium (D) is an isotope of hydrogen, in which the nucleus has one proton and one neutron. This nucleus, called a deuteron, behaves very much li...

Solved • May 24, 2016

Infrared Spectroscopy Table

Q. Which ketone will show a carbonyl absorption at the lowest frequency (cm  –1) in the infrared?

Solved • May 8, 2016

Infrared Spectroscopy Table

Q. Which C=O stretch will occur at the highest frequency (cm  −1) in the IR spectrum?

Solved • Mar 21, 2016

Infrared Spectroscopy Table

Q. Rank the indicated bonds in decreasing (highest to lowest) order of wavenumber for IR absorbance. a) III>I>II b) II>I>III c) III>...

Solved • Mar 15, 2016

Infrared Spectroscopy Table

Q. Which of the following bonds would produce the strongest IR absorption? a) C=O b) C–O c) C≡C d) C=N e) sp2 C–H

Solved • Mar 15, 2016

Infrared Spectroscopy Table

Q. For the following reaction, which of the following is consistent with a comparison of the IR spectra of the starting material vs. the product? a) ...

Solved • Mar 15, 2016

Infrared Spectroscopy Table

Q. Interpret the following infrared spectra and circle the corresponding structure below. Label two peaks present on the spectra with the stretch obse...

Solved • Feb 11, 2016

Infrared Spectroscopy Table

Q. Match the following structures with the IR spectra shown below.  

Solved • Feb 3, 2016