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2 Assessment Questions
112 Molecular Structures
52 Journal Articles
Assessment Questions: 2 results
Bonding (34 Variations)
A collection of 34 assessment questions about Bonding
Molecular Properties / Structure |
Covalent Bonding |
IR Spectroscopy |
VSEPR Theory |
Aromatic Compounds |
Lewis Structures |
Resonance Theory |
Aldehydes / Ketones |
Carboxylic Acids |
Acids / Bases
Organic : FunctionalGroups (18 Variations)
The structure for niacin (one of the B-vitamins) is shown below. Which of the following functional groups is present in niacin?

Alcohols |
Aldehydes / Ketones |
Carboxylic Acids |
Esters |
Amines / Ammonium Compounds
Molecular Structures: First 3 results
Formaldehyde CH2O

3D Structure

Link to PubChem

Aldehydes / Ketones

2R-2-methylbutanal C5H10O

3D Structure

Link to PubChem

Aldehydes / Ketones

Z-4-hydroxypent-3-en-2-one C5H8O2

3D Structure

Link to PubChem

Aldehydes / Ketones

View all 112 results
Journal Articles: First 3 results.
Pedagogies:
Borohydride Reduction of Estrone  Animesh Aditya, David E. Nichols, and G. Marc Loudon
This experiment presents a guided-inquiry approach to the demonstration of diastereoselectivity using chiral hindered ketones that undergo facile reduction with sodium borohydride. The resulting diastereomeric estradiols can be analyzed and differentiated by thin-layer chromatography and melting point.
Aditya, Animesh; Nichols, David E.; Loudon, G. Marc. J. Chem. Educ. 2008, 85, 1535.
Aldehydes / Ketones |
Diastereomers |
IR Spectroscopy |
Microscale Lab |
Stereochemistry |
Steroids |
Thin Layer Chromatography
Acid-Catalyzed Enolization of β-Tetralone  Brahmadeo Dewprashad, Anthony Nesturi, and Joel Urena
This experiment allows students to use 1H NMR to compare the rates of substitution of benzylic and non-benzylic a hydrogens of -tetralone and correlate their findings with predictions made by resonance theory.
Dewprashad, Brahmadeo; Nesturi, Anthony; Urena, Joel. J. Chem. Educ. 2008, 85, 829.
Aldehydes / Ketones |
Isotopes |
Mechanisms of Reactions |
NMR Spectroscopy |
Reactive Intermediates |
Resonance Theory |
Synthesis
Synthesis and Characterization of 9-Hydroxyphenalenone Using 2D NMR Techniques  Benjamin Caes and Dell Jensen Jr.
The synthesis of 9-Hydroxyphenalenone produces a planar multicyclic beta-ketoenol, the tautomerization of which results in C2v symmetry on the NMR time scale, thus simplifying the spectra and providing a unique structure for teaching 2D NMR spectroscopy.
Caes, Benjamin; Jensen, Dell, Jr. J. Chem. Educ. 2008, 85, 413.
Alcohols |
Aldehydes / Ketones |
Aromatic Compounds |
IR Spectroscopy |
NMR Spectroscopy |
Synthesis
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