For the generic reaction below, the rate quadruples when [A] is doubled. When [B] is doubled, the rate doesn’t change. Which mechanism is consistent with these experimental observations? 2 A + B → 2 C A. Step 1: A + B ⇌ D fast Step 2: A + D → 2 C slow B. Step 1: A + B → D slow Step 2: A + D ⇌ 2 C fast C. Step 1: 2 A → D slow Step 2: B + D → E fast Step 3: E → 2 C fast D. Step 1: 2 A ⇌ D fast Step 2: B + D → E slow Step 3: E → 2 C fast
For the generic reaction below, the rate quadruples when [A] is doubled. When [B] is doubled, the rate doesn’t change. Which mechanism is consistent with these experimental observations? 2 A + B → 2 C A. Step 1: A + B ⇌ D fast Step 2: A + D → 2 C slow B. Step 1: A + B → D slow Step 2: A + D ⇌ 2 C fast C. Step 1: 2 A → D slow Step 2: B + D → E fast Step 3: E → 2 C fast D. Step 1: 2 A ⇌ D fast Step 2: B + D → E slow Step 3: E → 2 C fast
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter14: Chemical Kinetics: The Rates Of Chemical Reactions
Section14.6: Reaction Mechanisms
Problem 2RC: A reaction is believed to occur by the following mechanism: Stepl: 2AI (Fast equilibrium) Step 2: I...
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Question
9. For the generic reaction below, the rate
quadruples when [A] is doubled. When [B] is
doubled, the rate doesn’t change. Which
mechanism is consistent with these experimental
observations?
2 A + B → 2 C
A. Step 1: A + B ⇌ D fast
Step 2: A + D → 2 C slow
B. Step 1: A + B → D slow
Step 2: A + D ⇌ 2 C fast
C. Step 1: 2 A → D slow
Step 2: B + D → E fast
Step 3: E → 2 C fast
D. Step 1: 2 A ⇌ D fast
Step 2: B + D → E slow
Step 3: E → 2 C fast
Expert Solution
Step 1
according to the question the rate is doubled when concentration of A is doubled and remain unchange when concentration of B is change that is the order of this reaction with respect to the A is 2 and with respect to zero
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