1. (a) In two sentences explain the difference between valence bond theory and m

Question

1. (a) In two sentences explain the difference between valence bond theory and

molecular orbital theory? (b) Draw the three most important resonance structures for the

CH and OH bonds of methane and water. (c) Draw and explain how these resonance

structures relate to electron population of the interacting atomic orbitals (e.g. see Figure

22). (d) Draw diagrams similar to Figure 25 for the CH and OH bonds of methane and

water and identify the covalent-ionic resonance energy. (e) Give a valence bond theory

explanation for why the water OH bond in water is stronger than the CH bond in

methane.

Explanation / Answer

Valence shell electron pair repulsion (VSEPR) rules are a model in chemistry used to predict the shape of individual molecules based upon the extent of electron-pair electrostatic repulsion.[1] It is also named Gillespie

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