Concept explainers
(a)
Interpretation:
The resonance structure for allyl cation is to be stated using the curved-arrow notation.
Concept introduction:
Most of the organic structures cannot be represented using single Lewis structure. Therefore, there exists more than one Lewis structure for representing a molecule or ion. These structures are known as resonance structures. These are the hypothetical structures and do not specify the exact structure. The delocalization of electrons results in the formation of resonance structure. The curved-arrow notation traces the flow of the electrons in a compound. This notation is used to derive the resonance structure.
(b)
Interpretation:
The resonance structure for allyl anion is to be stated using the curved-arrow notation.
Concept introduction:
Most of the organic structures cannot be represented using single Lewis structure. Therefore, there exists more than one Lewis structure for representing a molecule or ion. These structures are known as resonance structures. These are the hypothetical structures and do not specify the exact structure. The delocalization of electrons results in the formation of resonance structure. The curved-arrow notation traces the flow of the electrons in a compound. This notation is used to derive the resonance structure.
(c)
Interpretation:
The resonance structure for benzene is to be stated using the curved-arrow notation.
Concept introduction:
Most of the organic structures cannot be represented using single Lewis structure. Therefore, there exists more than one Lewis structure for representing a molecule or ion. These structures are known as resonance structures. These are the hypothetical structures and do not specify the exact structure. The delocalization of electrons results in the formation of resonance structure. The curved-arrow notation traces the flow of the electrons in a compound. This notation is used to derive the resonance structure.
Want to see the full answer?
Check out a sample textbook solution
Chapter 3 Solutions
Organic Chemistry
- Which of the following would be the more stable (lower in energy) of these resonance structures, and would be most representative of the molecule?arrow_forwardOf two possible structures A and B for the conjugate acid of guanidine, the more stable is the one that is better stabilized by electron delocalization. Which one is it? Write resonance structures showing this electron delocalization.arrow_forwardIn the spaces provided, indicate the type of bond, and the hybridized orbitals that overlap to form the bond.arrow_forward
- The molecule shown on the right in the example in the right column is the amino acid histidine, and the five-membered ring is known as aromatic. An aromatic ring has 2, 6, 10, 14, etc., electrons placed in 2p orbitals around a ring. Indicate which of the following statements must therefore be true. 1. There are a total of six electrons in the pi system (defined as electrons in 2p orbitals), including the lone pair on the ring N that is not circled. 2. There are a total of six electrons in the pi system, including the lone pair on the ring N atom that is circled. 3. The lone pair on the ring N atom that is not circled resides in an sp2 orbital on an sp2 hybridized nitrogen atom. 4. Statements 2 and 3 are both truearrow_forwardQuestion:What is the significance of the LUMO (Lowest Unoccupied Molecular Orbital) in organic chemistry, and how does it contribute to chemical reactions?arrow_forwardNot sure exactly what I'm doing wrong with this table, it seems to be related to C4H7O2, but also it may be as well that I need to use x for HC4H7O2. Thank you, appreciate any clarification.arrow_forward
- Determine α' and α for a molecule that experiences a Debye bond energy of -2 aJ being at a distance of 0.1 nm from a molecule of acetic acidarrow_forwardArrange the following with respect to increasing EASarrow_forwardFor the part circled in white, I don't understand when simplifying this why we don't divide the coefficient in front of octane by 2. I thought it would be 1/2 Since we divided the other ones by 2.arrow_forward
- Arrange the following acids in order of decreasing acidity. Justify your choices, making sure to use the space below to analyze each compound and determine the factor(s) contributing to the acidity. Lone pairs and formal charges are not provided. Include resonance structures where appropriate; do not forget to draw lone pairs and formal charges as necessary.arrow_forwardRank the following molecules from the least stable to the most stable. Justify your answer by indicating the electronic effects (resonance and induction).arrow_forwardBriefly explain why the hydrocarbon shown below possesses a significant dipole moment. Use diagrams as needed to illustrate/clarify your answer.arrow_forward
Organic Chemistry: A Guided InquiryChemistryISBN:9780618974122Author:Andrei StraumanisPublisher:Cengage Learning