Engineering
Chemistry
Elimination Reactions
Question


Which statement is correct.

Major product is formed by E2 reaction.

Major product is formed by dehydrohalogenation by E1 mechanism

Major product is formed by E1CB

Minor product is formed by E1 reaction.

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Solution

The image shows a chemical reaction where a tertiary alkyl halide undergoes elimination. Tertiary substrates favor E1 mechanism due to stable carbocation formation. The major product follows Zaitsev's rule, giving the more substituted alkene.

Key reaction: E1 mechanism.

Final answer: Major product is formed by dehydrohalogenation by E1 mechanism.