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Valence bond theory predicts that the following molecule should result when a ca

ID: 613799 • Letter: V

Question

Valence bond theory predicts that the following molecule should result when a carbon atom joins two hydrogen atoms. Which statement about this predicted molecule is not true? a A ? bond is formed when an electron from the 1s orbital of a hydrogen atom bonds with an electron from the 2px orbital of carbon. b Another ? bond is formed when an electron from the 1s orbital of a hydrogen atom bonds with an electron from the 2py orbital of carbon. c The px and py orbitals are perpendicular to each other and perpendicular to the pz orbital (which is not shown). d We use valence bond theory to explain that the bonding occurs when an orbital that contains a pair of electrons overlaps with another orbital that has one pair of electrons.

Explanation / Answer

(D) is correct.