Draw a structural formula for the alkene(s) formed by treatment of each haloalkane with sodium ethoxide in ethanol. Assume that elimination occurs by an E2 mechanism.

Engineering

Chemistry

Nucleophilic Substitution

Question

Draw a structural formula for the alkene(s) formed by treatment of each haloalkane with sodium ethoxide in ethanol.

Assume that elimination occurs by an E₂ mechanism.

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E₂ reaction.

It is a concerted one-step reaction.

The ethoxide ion abstracts the hydrogen, the simultaneously double bond is formed and halide ion leaves.

E₂ reaction is α, β - dehydrohalogenation reaction.

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