1.6 Resonance

1.6
Resonance in aliphatic and aromatic systems:
Rules of resonance and stability of the resonance structures.
Tautomerism of keto-enol and imine-enamine systems.
Hyperconjugation.


How to Draw Resonance Structures? video

Rules for Resonance Forms



Tautomerism of keto-enol video

Tautomerism of imine-enamine systems video


Hyperconjugation

Hyperconjugation Video

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1.7 Stereochemistry:

Concept of configuration and chirality, axes of symmetry, plane of symmetry, center of symmetry. Representation of molecules using projection formulae - Fischer, Wedge, Sawhorse and Newmann. Geometric Isomerism: Methods of determination of configuration of geometric isomers. Optical isomerism: Enantiomers and diastereomers. Nomenclature of stereoisomers including E and Z, D and L and R and S designations. Conformations of ethane, butane, cyclohexane with their energy profile diagrams. Conformational analysis of mono- and di-substituted cyclohexanes. Types of strains: Angle strain (Baeyer Strain), transannular strain (Prelog Strain), torsional strain (Pitzer strain). Concept of configuration and chirality, axes of symmetry, plane of symmetry, center of symmetry. Representation of molecules using projection formulae - Fischer, Wedge, Sawhorse and Newmann video How to Convert Newman Projection to Fischer Projection video Geometric Isomerism: Methods of determination of con...
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