Question 4. You are asked to identify an unknown compound, which has the following analytical data: PPM Chemical Shift Integration 1 Multiplicity 8.28 7.95 1 d 7.48 1 6.99 4.11 1 d. 2 2.81 1.34 3 The peak at 8.28 ppm is found to disappear when the NMR sample is treated with

Organic Chemistry
9th Edition
ISBN:9781305080485
Author:John E. McMurry
Publisher:John E. McMurry
Chapter13: Structure Determination: Nuclear Magnetic Resonance Spectroscopy
Section13.12: Dept 13c Nmr Spectroscopy
Problem 21P
icon
Related questions
Question

a) Interpreted the analytical data reported, you should include reference to the
IR, and NMR chemical shifts, integration and observed splitting patterns

Question 4.
You are asked to identify an unknown compound, which has the following analytical
data:
PPM
Chemical Shift
Integration
1
Multiplicity
8.28
7.95
1
7.48
6.99
1
1
d
4.11
2
2.81
1.34
3
t
The peak at 8.28 ppm is found to disappear when the NMR sample is treated with
D20
The IR spectrum of the unknown has the following key peaks;
a sharp strong peak at 1680 cm-1
a broad signal at 3250 cm-1
The compound has a molecular weight of 213.66
You have been provided with 9 possible structures of the unknown compound.
Transcribed Image Text:Question 4. You are asked to identify an unknown compound, which has the following analytical data: PPM Chemical Shift Integration 1 Multiplicity 8.28 7.95 1 7.48 6.99 1 1 d 4.11 2 2.81 1.34 3 t The peak at 8.28 ppm is found to disappear when the NMR sample is treated with D20 The IR spectrum of the unknown has the following key peaks; a sharp strong peak at 1680 cm-1 a broad signal at 3250 cm-1 The compound has a molecular weight of 213.66 You have been provided with 9 possible structures of the unknown compound.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 3 images

Blurred answer
Knowledge Booster
NMR Spectroscopy of Organic Molecules
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Organic Chemistry
Organic Chemistry
Chemistry
ISBN:
9781305080485
Author:
John E. McMurry
Publisher:
Cengage Learning
Organic Chemistry
Organic Chemistry
Chemistry
ISBN:
9781305580350
Author:
William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher:
Cengage Learning
Organic Chemistry: A Guided Inquiry
Organic Chemistry: A Guided Inquiry
Chemistry
ISBN:
9780618974122
Author:
Andrei Straumanis
Publisher:
Cengage Learning