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AP Chemistry
2.2 Intramolecular Force and Potential Energy
AdvancedMCQGraphicalConceptual21.3k
Potential energy versus internuclear distance for \(\text{Cl}_2\text{(g)}\) and \(\text{Br}_2\text{(g)}\).
Potential energy versus internuclear distance for \(\text{Cl}_2\text{(g)}\) and \(\text{Br}_2\text{(g)}\).
The potential energy curves for two diatomic halogen molecules, \(\text{Cl}_2\text{(g)}\) and \(\text{Br}_2\text{(g)}\), as a function of internuclear distance are shown in the graph below.

Which curve corresponds to \(\text{Cl}_2\text{(g)}\), and which statement provides the correct justification?

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