Alkoxides R-O can be used to synthesize alkenes as exemplified by the reaction shov below, where the symbol (et) indicates that the substance is dissolved in ethanol (CH,CH,OH) used as solvent: Br (et) + (1) Br(et) + (et) CH,CH,OH t-but-Br Ethoxide Isobutylene 9. The table to the right shows the results for the initial rate of this reaction when performed under different conditions (four different trials) at 25 °C. What is the rate law for this reaction? Trial Initial Initial Initial Rate (M/s) a) Rate = k [t-but-Br] b) Rate = k [t-but-Br] [ethoxide] c) Rate = k [t-but-Br]? d) Rate = k [ethoxide]? [t-but-Br] [Ethoxide] [isobutylene] 6.8 x 10-8 13.6 x 10-8 6.8 x 10-8 13.6 x 10-8 1 0.08 M 0.04 M 2 0.16 M 0.04 M 3 0.08 M 0.08 M 4 0.16 M 0.08 M

Alkoxides R-O can be used to synthesize alkenes as exemplified by the reaction shov below, where the symbol (et) indicates that the substance is dissolved in ethanol (CH,CH,OH) used as solvent: Br (et) + (1) Br(et) + (et) CH,CH,OH t-but-Br Ethoxide Isobutylene 9. The table to the right shows the results for the initial rate of this reaction when performed under different conditions (four different trials) at 25 °C. What is the rate law for this reaction? Trial Initial Initial Initial Rate (M/s) a) Rate = k [t-but-Br] b) Rate = k [t-but-Br] [ethoxide] c) Rate = k [t-but-Br]? d) Rate = k [ethoxide]? [t-but-Br] [Ethoxide] [isobutylene] 6.8 x 10-8 13.6 x 10-8 6.8 x 10-8 13.6 x 10-8 1 0.08 M 0.04 M 2 0.16 M 0.04 M 3 0.08 M 0.08 M 4 0.16 M 0.08 M

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter10: Fuels, Organic Chemicals, And Polymers

Section: Chapter Questions

Problem 122QRT

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