**Question:**Assuming that each of the following alkyl bromides undergoes an Sₙ1 reaction, which substrate's carbocation intermediate is most likely to undergo a rearrangement? *(Hint: Remember that a 1,2-shift can involve a shift of -H or -R.)***Diagrams of Alkyl Bromides:**- **Structure I:** A linear chain with a bromine (Br) attached to the second carbon.- **Structure II:** A cyclohexane ring with a bromine (Br) attached to one of the carbons.- **Structure III:** A branched chain with a bromine (Br) attached to a carbon that is connected to a methyl group.- **Structure IV:** A tertiary structure with a bromine (Br) attached to a carbon with two methyl groups.**Options:**- **A.** II- **B.** III- **C.** IV- **D.** IThe question prompts the reader to identify which alkyl bromide structure would likely undergo a rearrangement during an Sₙ1 reaction. The hint suggests considering a 1,2-shift, where a hydrogen or an alkyl group migrates to stabilize the carbocation intermediate.

We know about the stability of carbocation. 10<20<30 so when the intermediate carbocation is formed, it will try to attain maximum stability. if there is any possibility of attaining more stability through nearby carbon, it will rearrange itself through 1,2 carbon or hydrogen shift. So correct choice is B. III

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Assuming that each of the following alkyl bromides undergoes an SN1 reaction, which substrate's carbocation intermediate is most likely to undergoes a rearrangement? (......Hint: Remember that a 1,2-shift can involve a shift of -H or -R). ||| Br Br || IV Br Br

Assuming that each of the following alkyl bromides undergoes an SN1 reaction, which substrate's carbocation intermediate is most likely to undergoes a rearrangement? (......Hint: Remember that a 1,2-shift can involve a shift of -H or -R). ||| Br Br || IV Br Br

Chemistry for Today: General, Organic, and Biochemistry

9th Edition

ISBN:9781305960060

Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen

Publisher:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen

Chapter14: Aldehydes And Ketones

Section: Chapter Questions

Problem 14.55E: The addition of water to aldehydes and ketones occurs rapidly, although it is not thermodynamically...

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