1. Tardigrade
  2. Question
  3. Chemistry
  4. The rule (or effect) which is applied in the following reaction is: CH3CHBrCH2CH3 overset A l c . K O H arrow (i) CH3CH=CHCH3 (major product) (ii) CH2=CHCH2CH3 (minor product)

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Q. The rule (or effect) which is applied in the following reaction is:
$CH_{3}CHBrCH_{2}CH_{3} \, \overset{ \, \, A l c . K O H \, \, }{ \rightarrow } \, $
(i) $CH_{3}CH=CHCH_{3}$ (major product)
(ii) $CH_{2}=CHCH_{2}CH_{3}$ (minor product)

NTA AbhyasNTA Abhyas 2020

Solution:

Alkyl halides on heating with alcoholic $KOH$ give dehydrogenation reaction to yield alkene. If in reaction, more than one alkenes are formed, then according to Saytzeff, the most highly substituted alkene is the major product.

Solution