Answer: Whether all resonance forms have the same energy (equivalent) or different energies.
- A Whether all resonance forms have the same energy (equivalent) or different energies
- B Whether the resonance forms share an identical molecular formula in most textbook accounts
- C Whether every resonance form obeys the octet rule largely during normal conditions
- D Whether the resonance forms have equal molecular weight as generally observed
Correct answer: A. Whether all resonance forms have the same energy (equivalent) or different energies
Explanation: Equivalent resonance structures have identical energy (e.g., benzene); non-equivalent ones have different energies and contribute unequally to the hybrid.
VSEPR theory predicts molecular shape from the number of bonding and lone electron pairs around the central atom.
Concept context
Understand how atoms join to form molecules. Covers ionic and covalent bonding, VSEPR theory, hybridization (sp, sp², sp³), molecular orbital theory, bond polarity, and intermolecular forces like hydrogen bonding.
Read the full Chemical Bonding and Molecular Structure notes →