These questions are from organic chemistry 1 authors C.Fryhle, S.Snyder, T.Solom

Question

These questions are from organic chemistry 1 authors C.Fryhle, S.Snyder, T.Solomons 12th edition chapter 6 question 6.49

a) what is the lowest unoccupied molecular orbita (LUMO) in an SN1 reaction? and in what reactant and species is it found?

b) with a given molecular formula of "Isopropyl Methyl Ether Carbocation LUMO" identify the lobe of the LUMO in this carbocation model with which a nucleophile would interact.

c) with the given model " Isopropyl Methyl Ether Carbocation HOMO," why is there a large orbital lobe between the oxygen and the carbon of the carbocation?

Explanation / Answer

a) The LUMO in an SN1 reaction is an sp3 hybrid orbital. It is found in carbocations.

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