**Title: Factors Influencing SN2 Reactions****Question:**Which of the following is a correct factor influencing SN2 reactions?1) Having a chlorine on the alkyl halide decreases the rate of the SN2 reaction as compared to the presence of a fluorine on the alkyl halide.2) Protic solvents decrease the speed of an SN2 reaction.3) Using tertiary halides as substrates increases the rate of SN2 reactions.4) High temperatures increase the rate of SN2 reactions.**Analysis:**- **Option 1:** Discusses the role of halogens in SN2 reactions, comparing the effects of chlorine and fluorine substitutions. - **Option 2:** Focuses on the impact of protic solvents on the speed of SN2 reactions. Protic solvents can stabilize intermediates or transition states, often leading to decreased reaction rates. - **Option 3:** Considers the effect of substrate structure, specifically tertiary halides, on SN2 reaction rates. Due to steric hindrance, tertiary substrates typically slow down SN2 reactions. - **Option 4:** Examines the influence of temperature on reaction rates. Higher temperatures generally increase the rate of chemical reactions, including SN2 reactions.

Second option (2) Protic solvents decrease the speed of an SN2 reaction.Nucleophiles are solvated by the protic solvents and hence the nucleophiles are inhibited. This leads to lowering of the speed of the reaction. In an SN2 reaction the capacity of nucleophile is an important factor in determining the rate of the reaction. Thus, it is concluded that protic solvents decrease the speed of an SN2 reaction.First option (1) wrong, because Cl is a better leaving group than F, hence the reverse is true. Third option (3) wrong, because tertiary halides are not suitable for SN2, hence the reverse is true. Fourth option (4) wrong, because at higher temperature elimination reactions are favored and hence the reverse is true.

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Which of the following is a correct factor influencing SN2 reactions? Having a chlorine on the alkyl halide decreases the rate of the SN2 reaction O1) as compared to the presence of a fluorine on the alkyl halide. O 2) Protic solvents decrease the speed of an SN2 reaction 3) Using tertiary halides as substrates increases the rate of SN2 reactions 4) High temperatures increase the rate of SN2 reactions

Which of the following is a correct factor influencing SN2 reactions? Having a chlorine on the alkyl halide decreases the rate of the SN2 reaction O1) as compared to the presence of a fluorine on the alkyl halide. O 2) Protic solvents decrease the speed of an SN2 reaction 3) Using tertiary halides as substrates increases the rate of SN2 reactions 4) High temperatures increase the rate of SN2 reactions

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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