Can you help with the Last one thats highlighted please? **Title: Understanding Nucleophilic Substitution Reactions: SN1 and SN2****Introduction**In organic chemistry, nucleophilic substitution reactions are fundamental processes where a nucleophile displaces a leaving group attached to a carbon atom. The two main types are SN1 and SN2 reactions. This guide explains how to determine the appropriate reactants and solvent systems for synthesizing a series of compounds via substitution reactions.**Step-by-Step Analysis****Compound 1:** - Starting Material: Alkyl bromide- Reaction: NaCN in acetone leads to the substitution of bromine with a cyano group.- Type: SN2 - Explanation: The reactant is a primary halide, and there is an inversion of configuration, indicating an SN2 reaction mechanism.**Compound 2:**- Starting Material: Cyclohexyl bromide- Reaction: Ammonia (NH3) replaces the bromine with an amino group.- Type: SN1 - Explanation: The presence of a tertiary halide and racemization suggest an SN1 mechanism. The carbocation intermediate allows for the reformation of bonds and loss of stereochemistry.**Compound 3:**- Starting Material: Tertiary alkyl bromide- Reaction: Conversion to an alcohol using HBr.- Type: SN1 - Explanation: The tertiary halide structure fosters an SN1 reaction pathway due to the stability of the carbocation intermediate.**Compound 4:**- Starting Material: Cyclohexyl bromide- Reaction: Sodium hydrosulfide (NaSH) in DMSO replaces the bromine with a thiol group.- Type: SN1 - Further Inquiry Required: The diagram is highlighted with "Help" and a question mark, indicating uncertainty or need for further clarification on the specifics of this reaction. **Conclusion**By analyzing the structure of the starting material and the conditions provided, one can determine the mechanism (SN1 or SN2) of nucleophilic substitution. Understanding these details is crucial for predicting product formation and optimizing reaction conditions in synthetic organic chemistry.

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Answered: NASH Br DMSO HS-

Science

Chemistry

NASH Br DMSO HS-

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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