The product of dehydrohalogenation of 2-bromobutane with alc. KOH is mainly:
Solution
2-bromobutane: Zaitsev's rule says more substituted alkene (but-2-ene) predominates. Also trans-2-butene is major over cis.
About this question
Subject: Chemistry · Chapter: Haloalkanes and Haloarenes · Topic: Elimination Reactions
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