SN1, SN2, E1, and E2

SN1, SN2, E1, and E2

11th Grade - University

16 Qs

quiz-placeholder

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SN1, SN2, E1, and E2

SN1, SN2, E1, and E2

Assessment

Quiz

Chemistry

11th Grade - University

Practice Problem

Medium

NGSS
HS-PS1-2, HS-PS1-1

Standards-aligned

Used 1K+ times

FREE Resource

About this resource

This quiz covers substitution and elimination reaction mechanisms in organic chemistry, specifically focusing on SN1, SN2, E1, and E2 pathways. The content is appropriate for grade 11-12 students who are studying advanced organic chemistry concepts. Students need a solid understanding of reaction mechanisms, carbocation stability, nucleophiles and electrophiles, steric hindrance effects, and solvent polarity influences on reaction pathways. The questions assess students' ability to predict which mechanism will predominate based on substrate structure (primary, secondary, or tertiary halides), reaction conditions, and the nature of nucleophiles or bases. Students must understand that primary halides favor SN2 mechanisms due to reduced steric hindrance, while tertiary halides favor SN1 mechanisms because of stable carbocation formation. Additionally, students need to recognize how protic solvents stabilize carbocations in SN1 reactions, while aprotic solvents favor SN2 reactions by not solvating nucleophiles as strongly. This quiz was created by a classroom teacher who designed it for students studying organic chemistry reaction mechanisms in grades 11-12. The assessment serves as an excellent tool for formative evaluation, allowing teachers to gauge student comprehension of complex mechanistic concepts before moving to more advanced organic chemistry topics. It works effectively as a review exercise after instruction on reaction mechanisms, as homework to reinforce classroom learning, or as a warm-up activity to activate prior knowledge before exploring new reaction types. The quiz format encourages students to apply theoretical knowledge to practical scenarios, helping them develop the analytical skills necessary for predicting reaction outcomes in organic synthesis. This assessment aligns with chemistry standards that emphasize understanding reaction mechanisms, molecular interactions, and the relationship between molecular structure and chemical behavior, supporting students' development of higher-order thinking skills in organic chemistry.

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16 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

A primary halide will likely react with a ______ mechanism

SN1 or E2 depending on the solvent characteristics
SN2 most frequently
SN1 or E2 or E1 depending on the base or nucleophile characterisitcs
SN1 or SN2

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Media Image

The reaction mechanism shown below is

SN
SN2
E1
E2

Tags

NGSS.HS-PS1-2

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

Which reaction would most likely occur?

SN2
SN1
E2
E1

Tags

NGSS.HS-PS1-2

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

Which reaction would most likely occur?

SN2
SN1
E2
E1

Tags

NGSS.HS-PS1-2

5.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Media Image

The reaction mechanism shown below is

SN
SN2
E1
E2

Tags

NGSS.HS-PS1-2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Solvent affects substitution reaction. SN1 reaction is favored by

protic solvent due to its ability to stablize carbocation
aprotic solvent due its ability to stablize carbocation
protic solvent due to hydrogen bonding
aprotic solvent due to lack of hydrogen bonding

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which reaction is most likely going to occur?

SN1
E1
SN2
E2

Tags

NGSS.HS-PS1-2

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