Q. Which of the following applies in the reaction, $CH_{3}CHBrCH_{2}CH_{3}\ \overset{\ \ Alc.KOH\ \ }{\rightarrow}\$ (i)$CH_{3}CH = CHCH_{3}$ (major product) (ii) $CH_{2} = CHCH_{2}CH_{3}$ (minor product)
A) Markownikoff’s rule
B) Saytzeff’s rule
C) Kharasch effect
D) Hofmann’s rule
Explanation
(b)
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.
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Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.