12. Consider the interaction of two fluorine 2p orbitals of the same phase on th
ID: 588507 • Letter: 1
Question
12. Consider the interaction of two fluorine 2p orbitals of the same phase on the internuclear axis. Which of the following is not a correct description of this interaction? a) A sigma bonding molecular orbital is formed. b) The molecular orbital formed is lower in energy than a fluorine 2p orbital. c) A maximum of two electrons many occupy the molecular orbital formed. d) The molecular orbital formed is cylindrically symmetric. e) The molecular orbital has one additional node between the atoms.Explanation / Answer
The incorrect option is E, and not B because in this case the MO that will be formed is a bonding MO, which is clear from the information which is given that two orbitals which are overlapping are of the same phase, and are joining along the internulcear axis.
So, the MO formed will definitely be of lower energy level than the two combining orbitals.
Hope this helps !
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