The following steps, which are in no particular order, have been proposed for the initiation and propagation of a radical chain-reaction mechanism. Br BuzSn. + Bu,Sn-Br + H H-SnBu3 •SnBug + + H,C CH, С — CN CH3 N=N + NEN 2 H3C-C H3C CN H3C CN CH3 CH3 H-SnBu3 + •SnBu, + H3C `CN H,C CN (a) Draw in the appropriate curved arrows for each step. (b) Label each step as either initiation or propagation. (c) Write the balanced net reaction. (d) Provide two plausible termination steps, including curved arrows.

The following steps, which are in no particular order, have been proposed for the initiation and propagation of a radical chain-reaction mechanism. Br BuzSn. + Bu,Sn-Br + H H-SnBu3 •SnBug + + H,C CH, С — CN CH3 N=N + NEN 2 H3C-C H3C CN H3C CN CH3 CH3 H-SnBu3 + •SnBu, + H3C `CN H,C CN (a) Draw in the appropriate curved arrows for each step. (b) Label each step as either initiation or propagation. (c) Write the balanced net reaction. (d) Provide two plausible termination steps, including curved arrows.

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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4. Write the free radical chain mechanism for the following bromination reaction: BrCC13 hv + Br HCC13
Givena reaction 2A + B---> C + 2D which is found to be second order in a and independent of B, is the proposed slow step of the mechanism 2A--> D + E consistent with the experimental data? I don't think so, but i would like confirmation.
nd no Consider the following mechanism. (1) CIO'(aq) + H2O(I) =HC10(aq) + OH (aq) [fast] (2) I "(aq) + HCIO(aq) →HIO(aq) + Cl "(aq) [slow] (3) OH (aq) + HIO(aq) →H2O(1) + IO*(aq) [fast] (a) What is the overall equation? (b) Identify the intermediates, if any. (c) What is the molecularity and the rate law for each step?
The following initial rate data are for the reaction of tertiary butyl bromide with hydroxide ion at 55 °C: (CH3)3CB + OH → (CH3)3COH + Br Experiment [(CH3)3CB1],, M [OH], M Initial Rate, Ms-1 1 0.890 1.50x10-3 1.50x10-3 3.01x10-3 3.01x10-3 0.118 0.118 2 1.78 0.890 1.78 3 0.237 4 0.237 Complete the rate law for this reaction in the box below. Use the form k[A]j™[B]" , where '1' is understood for m or n and concentrations taken to the zero power do not appear. Don't enter 1 for m or n Rate = From these data, the rate constant is
4. Explain why the rate of formation of 1-azidopropane is different depending on which halopropane (X = F, Cl, Br, I) is used. Explain which halopropane will react fastest? ~X X = F, Cl, Br, I NaN №3 1-azidopropane
Real Time uy 12. A particular reaction requires 54 kJ mol to activate and is found to have a rate constant 1 -1 -1 -1 S S of 3.42 x 10-4 M¹s¹ at 155.85 °C. Predict the rate constant (in M¹ s¹ to two decimal places) if the temperature was increased to 460.85 °C. Approximately how much faster (to the nearest whole number) is the reaction predicted at 460.85 °C relative to 155.85 °C? A: 540 times faster
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