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: