Consider a Reaction That Occurs by the Following One-Step Mechanism

question 70

Multiple Choice

Consider a reaction that occurs by the following one-step mechanism:
A₂ + B₂ → 2 AB
The potential energy profile for this reaction is shown below.
-The energy of reaction,ΔE,is given by the difference in energy between which two reaction stages?

• A)reaction stage 2 - reaction stage 1
• B)reaction stage 2 - reaction stage 3
• C)reaction stage 1 - reaction stage 3
• D)reaction stage 3 - reaction stage 1

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