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Analytical method based on transitions between electronic energy states in molecules. Useful in studying conjugated systems such as polyenes
Describing a step in a reaction mechanism in which only one particle undergoes a chemical change at the transition state
A hydrocarbon that can undergo addition reactions; that is, one that contains multiple bonds
in a Lewis structure, two valence electrons of an atom that are in the same orbital and not shared with any other atom.
The high-field region of an NMR spectrum. A signal that is upfield with respect to another lies to its right on the spectrum
Carbohydrates that have an aldelhyde function at one end of their carbon chain and a carboxylic acid group at the other