Januvia is the trade name for sitagliptin, a drug that increases the body's ability to lower blood sugar levels, and thus it was introduced in 2006 for the treatment of type 2 diabetes. (a) Explain why the five-membered ring in sitagliptin is aromatic. (b) Determine the hybridization of each N atom. (c) In what type of orbital does the lone pair on each N atom reside? noifosen noitsnimile roso to CF3 ubong at weyd N. HO .N. N. NH2 Ô mo lanolhutdanoo odi wad to taa riosa tiw bolcod es eene onwoll HO O bomy wollct H8 S o02.0H]ainageen sitagliptin

Q: In a tabular format, enumerate 5 molecules where the following atoms are found in: O…

A: sp3 = 4 sigma bonds + 0 pi bond sp2 = 3 sigma bonds + 1 pi bond

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A:

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A:

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A:

Q: (e) the orbitals of an sp-hybridized carbon

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A:

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A:

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A:

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A:

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A:

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A: #(a):  For a molecule or a part of a molecule to be aromatic it should possess the below properties:

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A:

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Q: None

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Q: H н — с -c Ec - H Ес — н H

A:

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Quantum Mechanical Treatment of the Valence Bond Theory

Quantum mechanical treatment of valence bond theory refers to the relationship established between the quantum mechanical theory and the valence bond theory to describe the chemical bonding in a particular molecule.