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Optical Isomers Model Answer
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Total cards: 1•Content version: v4•Public deck•Updated: 8/1/2026
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Front (Question)
Why can a nucleophilic addition to aldehudes and assymetrical ketones result in a racemic mixture of optical isomers?
Back (Answer)
• carbonyl group in aldehydes + ketones is planar • equal chance of nucleophile attacking either side of molecules • reulsts in equal prportions of each isomer= racemic misture formed • racemic mixture = not optically ative as different isomers rotate the plane of polarised light the same amount in opposite directions amd cancel the other out