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Homework answers / question archive / Propose a plausible two-step mechanism for the reaction given below with the steps provided
Propose a plausible two-step mechanism for the reaction given below with the steps provided. A+2B → C + E (slow) D + B → E (fast) 28 → C + E (slow) A + E → D (fast) A+B→C+D(slow) A+B→C+E(slow) A+B→C+E(fast) A+B→C+D(fast) D→C+E(fast) Overall Reaction: A+2B → C + E Experimentally Determined Rate Law rate = MA][B] Two-Step Mechanism: Step 1: Step 2:
rate determining step must have A and B in reactant.
If 1st step is rate determining, 1st step can be
A + B —> C + D (slow)
The 2nd step should be:
D + B -> E (fast)
Adding both steps gives overall reaction.
Answer:
Step 1: A + B —> C + D (slow)
Step 2: D + B —> E (fast)
