3.7 Optical Isomers Flashcards

1
Q

When do optical isomers occur?

A

When there are 4 different groups attached to a carbon

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2
Q

What is the carbon with the groups attached called?

A

The Chiral centre

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3
Q

What is an enantiomer?

A

A pair of non super imposable isomers

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4
Q

How can you separate enantiomers?

A

They will rotate plane polarised light in opposite directions

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5
Q

What is a racemic mixture?

A

A 50:50 mixture of isomers

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6
Q

Do Racemic mixtures rotate light?

A

No

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7
Q

How are racemicmixtures formed?

A

The planarity of the molecule means nucleophiles are able to attack from above or below with equal chance

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8
Q

What effect can optical isomers have in reference to drugs?

A

1 enantiomer may be effective while the other may not be active or could be harmful

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