In the gas phase methyl isocyanide, H,CNC, rearranges to form ethanenitrile, H,CCN. H,C-NC H,C-CN The table below shows the experimentally determined values of the rate constant for this rearrangement at different temperatures. Temperature / °c Rate constant / s 190 2.52 x 10 199 5.25 x 10 230 6.30 х 10* 251 3.16 х 103 (a) Determine the overall order of the reaction
In the gas phase methyl isocyanide, H,CNC, rearranges to form ethanenitrile, H,CCN. H,C-NC H,C-CN The table below shows the experimentally determined values of the rate constant for this rearrangement at different temperatures. Temperature / °c Rate constant / s 190 2.52 x 10 199 5.25 x 10 230 6.30 х 10* 251 3.16 х 103 (a) Determine the overall order of the reaction
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter11: Chemical Kinetics: Rates Of Reactions
Section11.7: Reaction Mechanisms
Problem 11.12E
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2 In the gas phase methyl isocyanide, H,CNC, rearranges to form ethanenitrile, H,CCN. H,C-NC H,C-CN The table below shows the experimentally determined values of the rate constant for this rearrangement at different temperatures. Temperature / °c Rate constant / s 190 2.52 x 10 199 5.25 x 10 230 6.30 х 10* 251 3.16 х 103 (a) Determine the overall order of the reaction. (b) Write the rate expression for the reaction. (c) Using a graphical method, determine the activation energy for the rearrangement of methyl isocyanide. (d) Determine the value of the rate constant for this reaction at (i) 210 °C and (ii) 283 °C.
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