Page 32 Flashcards

1
Q

What is the kinetic order of an E1 reaction?

A

A: First order.

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2
Q

How many steps are involved in the E1 mechanism?

A

A: Two steps.

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3
Q

Which type of alkyl halides react fastest in an E1 reaction?

A

A: More substituted alkyl halides (R₃CX > R₂CHX > RCH₂X).

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4
Q

What type of base is favored in E1 reactions?

A

A: Weaker bases, such as H₂O and ROH.

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5
Q

How does the leaving group affect the rate of an E1 reaction?

A

A: A better leaving group increases the reaction rate as the bond to the leaving group is partially broken in the rate-determining step.

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6
Q

What type of solvent is required for E1 reactions?

A

A: Polar protic solvents that solvate ionic intermediates.

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7
Q

Why are E1 reactions of alkyl halides less useful than E2 reactions?

A

A: E1 reactions often compete with Sₙ1 reactions.

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8
Q

What is the rate-determining step in an E1 reaction?

A

A: The formation of the carbocation.

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9
Q

In an E1 reaction, what happens after the carbocation is formed?

A

A: A proton is removed to form a double bond.

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10
Q

Why do polar protic solvents favor E1 reactions?

A

A: They stabilize the ionic intermediates formed during the reaction.

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