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CHIRALITY & OPTICAL ACTIVITY
Isomers are compounds with the same molecular formula


STRUCTURAL ISOMERS

Same molecular formula but a
different structural formula
Carbon-chain isomerism is
when isomers have different
length carbon chains due to
branching of molecules
Positional isomerism is when
isomers have the same
functional group, but it is…

Page 2

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SN1 AND SN2 MECHANISMS







In SN1, the intermediate is
planar, so the nucleophile can
attack either above or below the
plane producing a racemic mixture




In SN2, the nucleophile
attacks from the side
opposite the halogen,
producing a chiral
product that is
optically active

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