3.3.7 - Optical Isomers Flashcards

1
Q

Optical isomerism

A

A type of stereoisomerism where molecules have the same molecular formula but a different spacial arrangement of atoms in space.

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2
Q

Optical isomerism occurs when…

A

There is an asymmetrical carbon within an organic molecule known as a chiral centre

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3
Q

Chiral centre

A

A carbon atom with four different groups bonded around it so there is no line of symmetry to the molecule

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4
Q

Optical isomers

A

Two possible isomers that are mirror images of each other

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5
Q

Enantiomers

A

Two different optical isomers that affect plane polarised light, causing plane polarised light to rotate by 90ºin opposite directions

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6
Q

Racemate

A

Optical isomers are produced as a pair of enantiomers in a 1:1 ratio

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7
Q

Racemic mixtures are…

A

Optically inactive

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8
Q

Reaction mechanism when a molecule with a carbonyl group is attacked by a nucleophile

A

Nucleophilic addition

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9
Q

Optical isomers are formed via…

A

nucleophilic addition

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10
Q

Nucleophilic addition

A

Molecules with a carbonyl group are attacked by a nucleophile

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