Definitions

All key definitions from F324

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Delocalised
The pi electrons are shared amoungst more than two atoms.
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Pi bonding system
Side on overlap of p orbitals, above and below the plane.
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Electrophile
Electron pair acceptor.
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Substitution
Exchange of one atom or group with another.
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Nucleophile
Lone electron pair donor.
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Zwitterion
A molecule with both positive and negative charges.
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Isoelectric point
The point at which zwitterions occurs.
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Optical isomerism
Non-superimposable mirror images about a chiral centre.
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Chiral centre
Carbon with 4 different groups attached.
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Chromatography
Analytical technique which separates the components of a mixture between a mobile phase and a stationary phase.
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Retention factor
Distance moved by centre of solute spot/ distance moved by front of mobile phase
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Other cards in this set

Card 2

Front

Side on overlap of p orbitals, above and below the plane.

Back

Pi bonding system

Card 3

Front

Electron pair acceptor.

Back

Preview of the back of card 3

Card 4

Front

Exchange of one atom or group with another.

Back

Preview of the back of card 4

Card 5

Front

Lone electron pair donor.

Back

Preview of the back of card 5
View more cards

Comments

Stacie Marks

its retardation factor not retention.... 

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