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Chemistry  /  Chem 2454  ·  Atom · ~20 seconds

Twin: The Substitution Reaction

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A substitution reaction replaces one atom or group on a saturated carbon with another, leaving bond count and hybridization unchanged, unlike addition.

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Chlorine replaces one hydrogen on ethane to form chloroethane, the carbon remaining sp3 throughout.

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Alkanes have no multiple bond to add across, so they undergo substitution rather than addition — expecting addition here misapplies Chem 2451's reactivity.