Quiz questions

• What are the components of the bonds in the carbonyl group?

  One σ molecular orbital and one π molecular orbital
• What does δ⁺δ⁻ represent in the context of a carbonyl group?

  It indicates the partial positive and negative charges in the group
• How are electrons shared in a covalent bond of a homonuclear molecule?

  Electrons are equally shared
• What is the essence of the HAND RULE regarding degenerate orbitals?

  Electrons should be added one at a time per orbital with parallel spins
• What are the melting points of the following acids: Dodecanoic acid, octadec-9-onoic acid, octadecanoic acid, and 5,8,11,14-eicosatetraenoic acid?

  • Dodecanoic acid: 43.8°C
  • Octadec-9-onoic acid: -14°C
  • Octadecanoic acid: 69.3°C
  • 5,8,11,14-eicosatetraenoic acid: -44°C
• What is the molecular formula for the compound with a temporary induced dipole mentioned?

  C₁₇H₃₆
• What does a temporary induced dipole refer to in molecular interactions?

  It refers to a temporary shift in electron density that creates a momentary dipole
• How does the melting point of octadecanoic acid compare to that of octadec-9-onoic acid?

  Octadecanoic acid has a higher melting point than octadec-9-onoic acid