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- Azulene, an isomer of naphthalene, has a remarkably large dipole moment for a hydrocarbon (μ = 1.0 D). Explain, using resonance structures.The degree of unsaturation, or index of hydrogen deficiency, is the number of pi bonds plus rings in a molecule.Specify the degree of unsaturation (index of hydrogen deficiency) of the following formulas:(a) C10H8(b) C8H10O2(c) C8H9NO2Indicate whether each statement is true or false. (a) Butanecontains carbons that are sp2 hybridized. (b) Cyclohexaneis another name for benzene. (c) The isopropyl group containsthree sp3-hybridized carbons. (d) Olefin is anothername for alkyne.
- The degree of unsaturation, or index of hydrogen deficiency, is the number of pi bonds plus rings in a molecule. Specify the degree of unsaturation (index of hydrogen deficiency) of the following formulas: (a) C24H24 (b) C8H1002 (c) CgH8N₂Explain how covalent bonds are formed in each of the following compounds in terms of orbital hybridisation and overlap of orbitals (i) Ethene, C2H4 (ii) Ethyne, C2H2Named bombykol, the sex pheromone secreted by the female silkworm moth has the formula C16H28O and the systematic name (10E,12Z)-10,12-hexadecadien-1-ol. Draw bornbykol showing correct geometry for the two double bonds
- 10) Consider the following reaction: Any: a) Shade the orbital lobes to provide the molecular orbital that is involved in the cyclization of this triene under the conditions provided. 888888 ΔWhat is the IUPAC name of the following molecule? Br Br (2R,4R)-dibromohexane (3R,5S)-dibromohexane (2R,4S)-dibromohexane O (R,S)-dibromohexane mirror imageThe degree of unsaturation, or index of hydrogen deficiency, is the number of pi bonds plus rings in a molecule. Specify the degree of unsaturation (index of hydrogen deficiency) of the following formulas: (a) C24H30 (b) C15H22 (c) C,H¡Cl,N
- Which compoundshave zero dipole moments?(a) cis-1,2-dichloroethene or cis-1,2-dibromoetheneHow many rings and π bonds does a compound with molecular formula C10H14 possess? List all possibilities.What are the line-angle structures for the following? a) (3S,5R,6S)-2,3,5,6-tetrabromo-4-methylnonane b) (2R,5R,6S)-5-bromo-9-chloro-1,2-difluoro-6-iodo-8-methylundecane c) (7S,10R,E)-3,6-dichloro-13-ethyl-10,11-difluoro-7-mehtylheptadec-4-ene