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
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
LearnAdditional PracticeSummary
Next Section1H NMR: Q-Test

Solution: An unidentified compound has the formula C 3H 6 and shows only one  1H NMR signal. Propose a structure.

Problem

An unidentified compound has the formula C 3H 6 and shows only one  1H NMR signal. Propose a structure.

Next
Practice Problems
How many signals would you expect for the 1H-NMR a...
Protons Ha and Hb in the molecule below are………….an...
In each molecule below, identify the number of uni...
How many signals would you expect to find in each ...
How many signals would you expect to find in each ...
For the following compound how many different sign...
The 1HNMR spectrum of which of these compounds wou...
How many 1HNMR signals would trans-1,2- dichlorocy...
Which compound below would give rise to 4 signals ...
For the following compound how many different sign...
How many signals would you expect in the 1H NMR sp...
Labeling: For each structure below, label the type...
An unknown molecule X has 4 signals in the 1H NMR ...
Labeling: For each structure below, label the type...
Labeling: For each structure below, label the type...
Labeling: For each structure below, label the type...
For the structure below, label the types of proton...
How many signals would you expect for vanillin? A...
How many signals do you expect to see in the 1H NM...
How many 1H NMR signals would trans- 1,2-dichloroc...
How many different  1H NMR signals are expected fo...
An unidentified compound has the formula C 3H 6 an...Be sure to answer all parts.Give the number of 1H ...Tell how many chemically different types of 1H nuc...How would you use 1HNMR spectroscopy to distinguis...How many unique 1HNMR signals exist in the spectru...The splitting of the three 1H signals of methyl pr...
Previous SectionNMR Spectroscopy
Next Section1H NMR: Q-Test