8. Elimination Reactions
Cumulative Substitution/Elimination
8. Elimination Reactions
Cumulative Substitution/Elimination - Video Tutorials & Practice Problems
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Get a 10 bullets summary of the topicTime to test yourself on what we've learned thus far. You are on your own here. We will be predicting mechanisms so keep the flowchart handy. Good luck!
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concept
Intro to Substitution/Elimination Problems
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Time for some practice questions. Have a game plan ready and take it step by step. I believe in you all! Let's begin.
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Problem
ProblemPredict the mechanism for the following reactions. Provide the full mechanism and draw the final product
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5
Problem
ProblemWhat is the major product for reaction d ?
A
B
C
A and B
D
None of these
6
Problem
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Problem
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PRACTICE PROBLEMS AND ACTIVITIES (41)
- What halides would undergo E2 dehydrohalogenation to give the following pure alkenes? a. Hex-1-ene b. Isobu...
- When the following compound is treated with sodium methoxide in methanol, two elimination products are possibl...
- Protonation converts the hydroxy group of an alcohol to a good leaving group. Suggest a mechanism for each rea...
- Draw the products of the following intramolecular reactions: a. b.
- After a proton is removed from the OH group, which compound in each pair forms a cyclic ether more rapidly? a...
- cis-4-Bromocyclohexanol and trans-4-bromocyclohexanol form the same elimination product but a different substi...
- Explain how each of the following changes affect the rate of the reaction of 1-bromobutane with ethoxide ion i...
- Explain how the following changes affect the rate of the reaction of 2-bromo-2-methylbutane with methanol: a....
- (••••) The following substitution reaction, between a strong base and a 1° haloalkane, occurs in a single step...
- Propose a mechanism for each of the following reactions: a.
- Which of the following two compounds eliminates HBr more rapidly in a basic solution?
- Propose a mechanism for the following reaction. (Hint: The rate of the reaction is much slower if the nitrogen...
- Show a mechanism for the following elimination reactions. Label the mechanism as E1 or E2.(d) <IMAGE>
- Paying close attention to the stereochemical outcome, predict the product of these elimination reactions.(d) ...
- (••) Predict the product(s) that would result when molecules (a)–(p) are allowed to react under the following ...
- (••) Predict the product(s) that would result when molecules (a)–(p) are allowed to react under the following ...
- (••) Predict the product(s) that would result when molecules (a)–(p) are allowed to react under the following ...
- (••) Predict the product(s) that would result when molecules (a)–(p) are allowed to react under the following ...
- (••) Predict the product(s) that would result when molecules (a)–(p) are allowed to react under the following ...
- (••) Predict the product(s) that would result when molecules (a)–(p) are allowed to react under the following ...
- (••) Predict the product(s) that would result when molecules (a)–(p) are allowed to react under the following ...
- (••) Predict the product(s) that would result when molecules (a)–(p) are allowed to react under the following ...
- (•••) Predict the product(s) of the following substitution or elimination reactions, paying close attention to...
- (•••) Predict the product(s) of the following substitution or elimination reactions, paying close attention to...
- (•••) Predict the product(s) of the following substitution or elimination reactions, paying close attention to...
- Show a mechanism for the following elimination reactions. Label the mechanism as E1 or E2.(c) <IMAGE>
- Would you expect the following bases to favor E1 or E2 elimination?(d) <IMAGE>
- Paying close attention to the stereochemical outcome, predict the product of these elimination reactions.(c) &...
- Indicate the type of catalysis that is occurring in the slow step in each of the following reaction sequences:...
- Indicate the type of catalysis that is occurring in the slow step in each of the following reaction sequences:...
- Why is melphalan a good cancer drug?
- The following three nitrogen mustards were studied for possible clinical use. One is now used clinically, one ...
- Finish [SOLVED Problem 7-3] <IMAGE> by showing how the rearranged carbocations give the four products sh...
- Give the substitution and elimination products you would expect from the following reactions.c. 1-bromo-2-meth...
- Make models of the following compounds, and predict the products formed when they react with the strong bases ...
- Deuterium (D) is the isotope of hydrogen of mass number 2, with a proton and a neutron in its nucleus. The che...
- Show how you would prepare cyclopentene from each compound.a. cyclopentanolb. cyclopentyl bromide
- Show how this 1° alcohol can be made from the following:<IMAGE>(a) a 1° alkyl bromide
- SN1 substitution and E1 elimination frequently compete in the same reaction.Propose a mechanism and predict th...
- (•••) Suggest a bromoalkane and the conditions necessary to produce the alkenes shown. (a)
- Why is the S_N 1 reaction shown an inefficient way of synthesizing ethers?<IMAGE>