Question

* Blackboard → XCO Remaining Time: 51 minutes, 08 seconds. Question Completion Status: QUESTIONS For the overall reaction 2A-B- C which of the following mechanisms are consistent with a rate equation of rate = K[A] [B]? a. A+B=1(fast) I+A -C(slow) b. A-B-1 (slow) I-A-C(fast) C 2A-1 (slow) B+1-C(fast) d. 2A=I (fast) I-B-C (slow) e. Answers a and d are both correct. QUESTION 6 The rate law for a reaction is Rate = (AJB) - Which one of the following statements is false? a. The reaction is first order in A b. The reaction is second order overall Seren o od sit. Click Save All Stall answers.

Answer 1

solution ! © 2A 7B te, rate= K[A] ² [2] (9) stepl: A+B 2 1 fast Sup2 1+A e s\on) - Rate law is given by slocust stip- a rate low from step2 is rate = k [1] AJ - but I is reacties intermediate . It can be eliminated from step applying low af equili bruins to step, Ke= [1] Mesum JPBD > {LJ = Ke[A][8] Puttig [] is cq o prate = K Kc [A] [A] [3] rate = k [a]%28] (d) stell:2A 21 fast Step2 : 173 3 C slow

rate low from slew step2 is rate = 15 [1] [B] o but is reacters intermediate, eliminaty it with step I Kc = [] » [W = K[Aj? Pulty lil in ea 7 rate = k. kc (A3²B frate = 1 (A123 le. Answers a and d Cerreet are both © Rate = K[AlB7?order wit reo ket to A = 1 ender wibrespect to B=2 .. over all order = 2+1=3 false statement: Tb. The reacter is second ar der overall | ?