What is the role of a nucleophile in an SN2 reaction?

SN2 Reaction Mechanisms and Characteristics

Interactive Video
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Chemistry, Science
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10th Grade - University
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Hard

Mia Campbell
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
It stabilizes the leaving group.
It accepts an electron pair from the substrate.
It donates a proton to the substrate.
It attacks the substrate, forming a new bond.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In an SN2 reaction, why does the nucleophile attack from the back?
To avoid steric hindrance from the substrate.
To ensure the reaction occurs in two steps.
To minimize repulsion from the leaving group.
To maximize interaction with the solvent.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the stereochemistry of a chiral center in an SN2 reaction?
It becomes planar.
It is inverted.
It remains unchanged.
It undergoes racemization.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does doubling the concentration of both the substrate and nucleophile affect the rate of an SN2 reaction?
The rate remains unchanged.
The rate doubles.
The rate quadruples.
The rate triples.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of alkyl halide is most reactive in an SN2 reaction?
Tertiary alkyl halide
Aryl halide
Secondary alkyl halide
Primary alkyl halide
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are tertiary alkyl halides less reactive in SN2 reactions?
They have a high electron density.
They are too sterically hindered.
They have strong leaving groups.
They form stable carbocations.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which solvent type enhances the strength of nucleophiles in SN2 reactions?
Non-polar solvents
Polar protic solvents
Ionic solvents
Polar aprotic solvents
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