Ch. 15 - Analytical Techniques: IR, NMR, Mass SpectWorksheetSee all chapters
All Chapters
Ch. 1 - A Review of General Chemistry
Ch. 2 - Molecular Representations
Ch. 3 - Acids and Bases
Ch. 4 - Alkanes and Cycloalkanes
Ch. 5 - Chirality
Ch. 6 - Thermodynamics and Kinetics
Ch. 7 - Substitution Reactions
Ch. 8 - Elimination Reactions
Ch. 9 - Alkenes and Alkynes
Ch. 10 - Addition Reactions
Ch. 11 - Radical Reactions
Ch. 12 - Alcohols, Ethers, Epoxides and Thiols
Ch. 13 - Alcohols and Carbonyl Compounds
Ch. 14 - Synthetic Techniques
Ch. 15 - Analytical Techniques: IR, NMR, Mass Spect
Ch. 16 - Conjugated Systems
Ch. 17 - Aromaticity
Ch. 18 - Reactions of Aromatics: EAS and Beyond
Ch. 19 - Aldehydes and Ketones: Nucleophilic Addition
Ch. 20 - Carboxylic Acid Derivatives: NAS
Ch. 21 - Enolate Chemistry: Reactions at the Alpha-Carbon
Ch. 22 - Condensation Chemistry
Ch. 23 - Amines
Ch. 24 - Carbohydrates
Ch. 25 - Phenols
Ch. 26 - Amino Acids, Peptides, and Proteins

13C NMR: Cumulative Practice

See all sections
Sections
Purpose of Analytical Techniques
Infrared Spectroscopy
Infrared Spectroscopy Table
IR Spect: Drawing Spectra
IR Spect: Extra Practice
NMR Spectroscopy
1H NMR: Number of Signals
1H NMR: Q-Test
1H NMR: E/Z Diastereoisomerism
H NMR Table
1H NMR: Spin-Splitting (N + 1) Rule
1H NMR: Spin-Splitting Simple Tree Diagrams
1H NMR: Spin-Splitting Complex Tree Diagrams
1H NMR: Spin-Splitting Patterns
NMR Integration
NMR Practice
Carbon NMR
Structure Determination without Mass Spect
Mass Spectrometry
Mass Spect: Fragmentation
Mass Spect: Isotopes
Additional Practice
IR Spect: Frequencies Considering Solution Effects
IR Spect: Structure Determination
1H NMR: Proton Exchange
1H NMR: Fast Proton Exchange (D2O)
13C NMR: Cumulative Practice
2D NMR - COSY
Mass Spect: McLafferty Rearrangement
Structure Determination with Mass Spect
Additional Practice

Solution: How many signals would you expect to find in the 13C NMR spectrum of the following compounds? a. 8  b. 6  c. 5  d. 4  e. 7

Problem

How many signals would you expect to find in the 13C NMR spectrum of the following compounds?

a. 8 
b. 6 
c. 5 
d. 4 
e. 7

Next
Practice Problems
Which structure is most consistent with this  13C ...
Which structure is in agreement with these  1H NMR...
Which structure is consistent with this  13C NMR s...
Which structure for a molecule with the molecular ...
If you did not know the regioselectivity leading t...
For the 13C NMR spectrum illustrated below, label ...
The molecular formula, IR & NMR are provided f...
You might find it useful to know that RO- groups c...
How many signals would be there be in proton-decou...
Which compound below would give rise to 5 signals ...
For the following compound how many different sign...
The following six sets of  1H (left side) and  13C...
The 13C NMR spectra for the following molecule is ...
Which of the following compounds is consistent wit...
How many signals would you expect to find in the 1...
Circle the molecule which represents the following...
What is the correct assignment of the number of si...
Which carbon of (a)-(d) of hex-3-en-2-one has the ...
Predict the 13C NMR spectrum of compound A under p...
Predict the 13C NMR spectrum of the compound in th...
Shown below are the 1H NMR and 13C NMR (proton dec...
For each compound shown add the missing hydrogens ...Identify the potential spectrum of the following m...How many distinct signals would appear in the 13C ...How many unique 13C and 1H NMR signals would you e...