1
Question
The major product obtained when this substrate is subjected to E1 reaction will be
The major product obtained when this substrate is subjected to E1 reaction will be 
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Solution
The correct option is B
E1 reaction is a two step process.
In step 1, leaving group leaves and form a carbocation.
In step 2, the base will attack the proton and proton abstraction takes place to form alkenes.
The major product will be the alkene which has more subtitution by saytzeff rule.
In given reaction, proton abstraction can lead to 3 different product (a), (b) and (c).
Comparing (a), (b) and (c), we can say that (b) is the more substituted alkene. Thus, by saytzeff rule, compound (b) is the major product of the given reaction.
E1 reaction is a two step process.
In step 1, leaving group leaves and form a carbocation.
In step 2, the base will attack the proton and proton abstraction takes place to form alkenes.
The major product will be the alkene which has more subtitution by saytzeff rule.
In given reaction, proton abstraction can lead to 3 different product (a), (b) and (c).
Comparing (a), (b) and (c), we can say that (b) is the more substituted alkene. Thus, by saytzeff rule, compound (b) is the major product of the given reaction.
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