AP Chemistrymediummcq1 pt

Which correctly orders the parts of an energy profile from left to right for an exothermic two-step reaction?

A.Reactants, transition state, intermediate, transition state, products (lower than reactants)
B.Reactants, intermediate, transition state, products
C.Products, transition state, reactants
D.Reactants, transition state, products, intermediate

Explanation

Core Concept

Each step climbs to a transition state; the valley between holds the intermediate. Exothermic means products sit below reactants in energy.

Correct Answer

AReactants, transition state, intermediate, transition state, products (lower than reactants)

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