3.3.7 Optical Isomerism

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7 Terms

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Definition of Optical Isomers (Enantiomers):

A type of stereoisomer that has non-superimposable mirror images


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Definition of chiral:

When a C atom has 4 different groups attached; can lead to a tetrahedral shape

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When is a molecule optically active?

When it is chiral

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Definition of Racemic mixture:

A mixture of an equal mixture of enantiomers

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Why is a Racemic mixture optically inactive?

Equal rotations in opposite directions cancel out

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How can optical isomers be distinguished?

The rotate plane-polarised light in opposite directions

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What is special about enantiomers’ physical properties?

They have identical physical properties