**Image Transcription for Educational Website:****Chemical Reaction:**- **Reactants:** tert-butyl bromide (C₄H₉Br) and potassium hydroxide (K⁺OH⁻)- **Products:** 1-propanol (C₃H₇OH) and potassium bromide (K⁺Br⁻)**Scheme 1:** Tertiary alkyl halides do not undergo an SN2 reaction.---**Prelab Question #1**- **Homework Status:** Unanswered**Question:**Why does tert-butyl bromide (Scheme 1) not participate in SN2 reactions?**Instructions:**Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer.**Answer Options:**a) Bromide is not a sufficiently good leaving groupb) tert-butyl bromide is too sterically congested for nucleophiles to approachc) tert-butyl bromide is a nucleophiled) SN2 reactions require 2 nucleophiles to effectively proceed

Here we have to choose the correct reason for why tert-butylbromide don't undergo SN2 reaction. SN2 is substitution nucleophilic bimolecular. In tert-butyl bromide, the reaction center is the middle carbon, which is almost completely blocked by the three methyl substituents. Therefore, the SN2 reaction with tert-butyl bromide is very less likely to happen. We know that the order of reactivity of carbon towards SN2 reaction is, 1°>2°>3° Here, tert-butylbromide is 3° and sterically more congested with methyl group. Option a, c and d are wrong because br is a good leaving group, tert-butylbromide is an electrophile and SN2 doesn't require 2 nucleophiles. So the answer is option B. That is, tert-butylbromide is too sterically congested for nucleophile to approach.

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Chemistry

H3C Br H3C ĈX CH3 tert-butyl bromide a + b Prelab Question #1 Homework Unanswered Why does tert-butyl bromide (Scheme 1) not participate in SN2 reactions? d OH # 1-propanol Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. Scheme 1. Tertiary alkyl halides do not undergo an SN2 reaction. bromide is not a sufficiently good leaving group с tert-butyl bromide is a nucleophile tert-butyl bromide is too sterically congested for nucleophiles to approach H3C OH H3C CH3 tert-butanol SN2 reactions require 2 nucleophiles to effectively proceed + Br

H3C Br H3C ĈX CH3 tert-butyl bromide a + b Prelab Question #1 Homework Unanswered Why does tert-butyl bromide (Scheme 1) not participate in SN2 reactions? d OH # 1-propanol Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. Scheme 1. Tertiary alkyl halides do not undergo an SN2 reaction. bromide is not a sufficiently good leaving group с tert-butyl bromide is a nucleophile tert-butyl bromide is too sterically congested for nucleophiles to approach H3C OH H3C CH3 tert-butanol SN2 reactions require 2 nucleophiles to effectively proceed + Br

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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