The rate of decomposition of acetaldehyde, CH,CHO(g), into CH,(g) and CO(g) in the presence of I,(g) at 800 K follows the rate law rate of reaction = k[CH;CHO] [I,] The decomposition is believed to occur by the two-step mechanism step 1: CH,CHO(g) + I,(g) → CH,I(g)+HI(g)+CO(g) step 2: CH,I(g)+НI(g) - CH,(g) + L(g) Which species is the catalyst for the overall reaction? CO O CH,CHO HI O CH;I O CH,

Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter11: Rate Of Reaction
Section: Chapter Questions
Problem 39QAP: The decomposition of azomethane, (CH3)2N2, to nitrogen and ethane gases is a first-order reaction,...
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The rate of decomposition of acetaldehyde, CH,CHO(g), into CH, (g) and CO(g) in the presence of I, (g) at 800 K follows the
rate law
rate of reaction = k [CH;CHO] [I,]
The decomposition is believed to occur by the two-step mechanism
step 1: CH,CHO(g) + 1,(8) — сн, Ie)+H(9)+CO(g)
step 2: CH,I(g)+HI(g) → CH,(g) + L (g)
Which species is the catalyst for the overall reaction?
CO
CH,CHO
HI
CH,I
CH4
Which step in the proposed mechanism is most likely the rate-limiting step?
step 1
step 2
Transcribed Image Text:The rate of decomposition of acetaldehyde, CH,CHO(g), into CH, (g) and CO(g) in the presence of I, (g) at 800 K follows the rate law rate of reaction = k [CH;CHO] [I,] The decomposition is believed to occur by the two-step mechanism step 1: CH,CHO(g) + 1,(8) — сн, Ie)+H(9)+CO(g) step 2: CH,I(g)+HI(g) → CH,(g) + L (g) Which species is the catalyst for the overall reaction? CO CH,CHO HI CH,I CH4 Which step in the proposed mechanism is most likely the rate-limiting step? step 1 step 2
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