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← ScienceWhich limitation arises when hybridizing molecular orbitals to maximize bonding?
A)Increased steric hindrance interactions occur
B)Kinetic energy exceeds binding energy
C)Antibonding orbital presence is unavoidable✓
D)Electron promotion becomes highly unfavourable
💡 Explanation
Covalent bonds rely on orbital overlap, but hybridization introduces antibonding orbitals through linear combination; therefore, some electrons reside in antibonding orbitals, rather than all ending up in lower-energy bonding orbitals at optimal configurations; this offsets stability.
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