A scale in ppm that compares the frequency of an NMR absorption with the frequency of the reference TMS
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Chiral carbon
A carbon atom attached to four different atoms or groups of atoms.
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Chromatogram
A visible record showing the result of separation of the components of a mixture by chromatography
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Condensation reaction
A reaction in which two small molecules react together to form a larger molecule with elimination of a small molecule such as water of hydrochloric acid
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Electrophilic substitution
A type of substitution reaction in which an electrophile is attracted to an electron rich centre or atom, where it accepts a pair of electrons to form a new bond
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Esterification
A reaction in which a carboxylic acid reacts with an alcohol to form an ester and water
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Mobile phase
The phase that moves in chromatography
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Optical isomers
Stereoisomers that are non-superimposable mirror images of each other
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Retention time
The time for a component to pass from the column inlet to the detector
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Stationary phase
The phase that doesn't move in chromatography
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Rf value
Distance moved by component/distance moved by solvent
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Other cards in this set
Card 2
Front
A carbon atom attached to four different atoms or groups of atoms.
Back
Chiral carbon
Card 3
Front
A visible record showing the result of separation of the components of a mixture by chromatography
Back
Card 4
Front
A reaction in which two small molecules react together to form a larger molecule with elimination of a small molecule such as water of hydrochloric acid
Back
Card 5
Front
A type of substitution reaction in which an electrophile is attracted to an electron rich centre or atom, where it accepts a pair of electrons to form a new bond
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