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Which outcome occurs when repulsive forces dominate molecular orbitals?

A)Antibonding orbital energy increases sharply
B)Bond length reaches an optimal value
C)Vibrational modes become strongly coupled
D)Atomic radius remains relatively constant

💡 Explanation

Antibonding orbitals become higher in energy because increased electron density in these molecular orbitals amplifies repulsive internuclear forces. Therefore, orbital energy sharply increases rather than stabilizing the bond length with attractive forces present.

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