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Curated Video
Chain & Positional Isomerism: Same Formula, Different Shape!
Chain and positional isomerism are types of structural isomerism in organic chemistry, where compounds have the same molecular formula but different structures. In chain isomerism, the carbon backbone differs in branching; for example,...
Professor Dave Explains
Homotopic, Enantiotopic, Diastereotipic, and Heterotopic Protons
Looking at different types of protons in the context of NMR spectroscopy.
Professor Dave Explains
Practice Problem: Types of Protons
We learned about how pairs of protons can have specific relationships. They can be homotopic, enantiotopic, diastereotopic, or heterotopic. Let's apply this to some examples!
FuseSchool
Waves and the Earth - Sonar
"Waves and the Earth - Sonar | Astrophysics | Physics | FuseSchool In this video you are going to learn about sonar and how it helps us locate hidden objects. You may have heard of the story of the Titanic, or even seen many of the...
Professor Dave Explains
IIT/JEE Chemistry Practice #19: Molecular Properties
Practice REAL problems from actual past IIT/JEE exams with Professor Dave!
Professor Dave Explains
Practice Problem: Assigning Molecular Structure From an NMR Spectrum
For this one we need to be able to interpret NMR data in order to arrive at the correct molecular structure based on an empirical formula. It's not as hard as it sounds!
Professor Dave Explains
Stereochemistry: Enantiomers
Defining stereochemistry and enantiomeric relationships.
Khan Academy
Khan Academy: Organic Chemistry: Newman Projection Practice 2
A video describing the Newman projection and how to determine the least and most stable conformations. [10:31]
Khan Academy
Khan Academy: Bond Line Structures: Structural (Constitutional) Isomers
Use this instructional video to learn how to draw structural isomers. [10:27]
Khan Academy
Khan Academy: Conformations: Newman Projections
Watch this tutorial which describes Newman Projections. [14:22]
Khan Academy
Khan Academy: Conformations: Chair and Boat Shapes for Cyclohexane
This video helps students understand that due to cyclohexane non-planar conformations the angle changes leading to different shapes being formed. The molecule can easily switch to the boat and chair shapes. [12:29]
Khan Academy
Khan Academy: Structural (Constitutional) Isomers
A video investigating how to draw structural isomers using bond-line structures. Use this video to see examples so you can learn how to draw structural isomers. [9:52]