Identify the major product of the dehydrohalo | vedclass

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Question

(B) $1$. Dehydrohalogenation follows $Saytzeff's$ rule, which states that the more substituted alkene is the major product.$2$. The reactant is $2-bro

Vedclass · Accepted Answer

$CH_3-CH=CH-CH_3$

Vedclass · Answer

(B) $1$. Dehydrohalogenation follows $Saytzeff's$ rule, which states that the more substituted alkene is the major product.$2$. The reactant is $2-bromobutane$ $(CH_3-CH_2-CH(Br)-CH_3)$.$3$. Elimination of $HBr$ can occur from $C_1$ or $C_3$ to form $but-1-ene$ or $but-2-ene$ respectively.$4$. $But-2-ene$ $(CH_3-CH=CH-CH_3)$ is a disubstituted alkene, making it more stable than the monosubstituted $but-1-ene$ $(CH_3-CH_2-CH=CH_2)$.$5$. Therefore, $CH_3-CH=CH-CH_3$ is the major product.

Identify the major product of the dehydrohalogenation of $CH_3-CH_2-CH(Br)-CH_3$ using an alcoholic base.

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