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Chem 260 > SN2, SN1, E2, E1 > Flashcards

SN2, SN1, E2, E1 Flashcards

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1
Q

Methyl substrate, protic solvent

A

SN2

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2
Q

Methyl substrate, aprotic solvent

A

SN2

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3
Q

Methyl substrate, strong base

A

SN2

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4
Q

Methyl substrate, bulky base

A

SN2

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5
Q

Primary substrate, protic solvent

A

SN2

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6
Q

Primary substrate, aprotic solvent

A

SN2/E2

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7
Q

Primary substrate, strong base

A

SN2/E2

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8
Q

Primary substrate, bulky base

A

E2

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9
Q

Secondary substrate, protic solvent

A

SN1/E1

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10
Q

Secondary substrate, aprotic solvent

A

SN2

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11
Q

Secondary substrate, strong base

A

E2/SN2 with E2 heavily favored

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12
Q

Secondary substrate, bulky base

A

E2

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13
Q

Tertiary substrate, protic solvent

A

SN1/E1

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14
Q

Tertiary substrate, aprotic solvent

A

SN1/E1

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15
Q

Tertiary substrate, strong base

A

E2

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16
Q

Tertiary substrate, bulky base

A

E2

17
Q

Aryl halides _____ react in an SN2 reaction.

A

do not

18
Q

Allylic vs. Vinylic halides in SN2

A

Allylic > vinylic

19
Q

In a protic solvent, nucleophilic strength increases ______ the periodic table.

A

down

20
Q

In an aprotic solvent, nucleophilic strength increases ____ the periodic table.

A

up

21
Q

In what reaction can rearrangements occur, SN2 or SN1?

A

SN1

22
Q

SN2 reaction rate depends on:

A

Concentration of substrate and concentration of nucleophile

23
Q

SN1 reaction rate depends on:

A

Concentration of substrate

24
Q

SN1 reactions are __molecular

A

uni

25
Q

SN2 reactions are __molecular

A

bi

26
Q

Solvolysis

A

When a solvent behaves as a nucleophile

27
Q

For an SN1 reaction, is the retention product or inverted product favored?

A

Inverted product is favored

28
Q

What reaction results in a racemic mixture, SN2 or SN1?

A

SN1

29
Q

Anti-coplanar

A

Halogen and hydrogen are opposite each other

30
Q
A

Chem 260 (5 decks)

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