
(a)
Interpretation:
The mechanism for each of the given transformations is needed to be found out.
Concept introduction:
E1 reaction is a unimolecular elimination reaction to produce alkene compounds in which carbocation is formed as an intermediate and it has stepwise mechanism.
E2 reaction is a bimolecular elimination reaction in which alkene compounds formed in a single step.
Example,
Alkenes are formed when
Curved arrows are used for drawing the mechanism of reaction.
The tertiary carbocation is more stable than secondary carbocation.
To draw: the mechanism for each of the given transformations.
(b)
Interpretation:
The mechanism for each of the given transformations is needed to be found out.
Concept introduction:
E1 reaction is a unimolecular elimination reaction to produce alkene compounds in which carbocation is formed as an intermediate and it has stepwise mechanism.
E2 reaction is a bimolecular elimination reaction in which alkene compounds formed in a single step.
Example,
Alkenes are formed when alcohols are treated with strong acid via eliminating one β-proton and the
Alkenes are formed when alkyl halides are treated with bases via eliminating one β-proton and one α-halo group of the alkyl halide.
Curved arrows are used for drawing the mechanism of reaction.
The tertiary carbocation is more stable than secondary carbocation.
To draw: the mechanism for each of the given transformations.
(c)
Interpretation:
The mechanism for each of the given transformations is needed to be found out.
Concept introduction:
E1 reaction is a unimolecular elimination reaction to produce alkene compounds in which carbocation is formed as an intermediate and it has stepwise mechanism.
E2 reaction is a bimolecular elimination reaction in which alkene compounds formed in a single step.
Example,
Alkenes are formed when alcohols are treated with strong acid via eliminating one β-proton and the
Alkenes are formed when alkyl halides are treated with bases via eliminating one β-proton and one α-halo group of the alkyl halide.
Curved arrows are used for drawing the mechanism of reaction.
The tertiary carbocation is more stable than secondary carbocation.
To draw: the mechanism for each of the given transformations.
(d)
Interpretation:
The mechanism for each of the given transformations is needed to be found out.
Concept introduction:
E1 reaction is a unimolecular elimination reaction to produce alkene compounds in which carbocation is formed as an intermediate and it has stepwise mechanism.
E2 reaction is a bimolecular elimination reaction in which alkene compounds formed in a single step.
Example,
Alkenes are formed when alcohols are treated with strong acid via eliminating one β-proton and the
Alkenes are formed when alkyl halides are treated with bases via eliminating one β-proton and one α-halo group of the alkyl halide.
Curved arrows are used for drawing the mechanism of reaction.
The tertiary carbocation is more stable than secondary carbocation.
To draw: the mechanism for each of the given transformations.
(e)
Interpretation:
The mechanism for each of the given transformations is needed to be found out.
Concept introduction:
E1 reaction is a unimolecular elimination reaction to produce alkene compounds in which carbocation is formed as an intermediate and it has stepwise mechanism.
E2 reaction is a bimolecular elimination reaction in which alkene compounds formed in a single step.
Example,
Alkenes are formed when alcohols are treated with strong acid via eliminating one β-proton and the
Alkenes are formed when alkyl halides are treated with bases via eliminating one β-proton and one α-halo group of the alkyl halide.
Curved arrows are used for drawing the mechanism of reaction.
The tertiary carbocation is more stable than secondary carbocation.
To draw: the mechanism for each of the given transformations.

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Chapter 8 Solutions
Organic Chemistry
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