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

question 5

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 activation energy for the forward reaction 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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Definitions:

Sympathetic Chain

A part of the autonomic nervous system consisting of a series of ganglia that run alongside the spinal column and influence internal organs by releasing neurotransmitters.

Collateral Ganglia

Sympathetic ganglia at the origin of large abdominal arteries; include the celiac, superior, and inferior mesenteric arteries; also called prevertebral ganglia.

Preganglionic Fibers

Nerve fibers that run from the central nervous system to a ganglion in the autonomic nervous system.

Thoracic

Relating to the thorax, the area of the body between the neck and the abdomen that contains the heart and lungs.