The potential energy of a diatomic molecule was calculated at four labeled…

CHEMISTRY · Single correct · A Level · Chemistry · Bonding · Bonding

Problem

The potential energy of a diatomic molecule was calculated at four labeled internuclear separations, as shown. Label Distance (pm) Potential Energy (

\text{kJ}\,\text{mol}^{-1}

) P 50 +150 Q 90 −350 R 140 −300 S 280 −20 Which label corresponds to the equilibrium bond length of the molecule? (a) R (b) S (c) Q (d) P