Concept explainers
(a)
To determine: The important resonance forms for the given compound; the major and minor contributors in the resonating structures; if they have the same energy and any important missing resonance form.
Interpretation: The important resonance forms for the given compound are to be stated; the major and minor contributors in the resonating structures are to be indicated; whether they have same energy is to be stated and any important missing resonating form is to be stated.
Concept introduction: Resonance is the process in which a molecule gets different structures to define its bonding within the molecule. Such molecules cannot be represented in single Lewis structures. Resonating structures of such molecules are called contributing structures. In the process of resonance shifting of lone pairs occur with the bonds and other lone pairs.
The major contributors are those resonating structures in which almost all the atoms have filled octet.
The minor contributors are those resonating structures in which atoms do not have complete octet and electronegative atom carries positive charge and vice-versa.
(b)
To determine: The important resonance forms for the given compound; the major and minor contributors in the resonating structures; if they have the same energy and any important missing resonance form.
Interpretation: The important resonance forms for the given compound are to be stated; the major and minor contributors in the resonating structures are to be indicated; whether they have same energy is to be stated and any important missing resonating form is to be stated.
Concept introduction: Resonance is the process in which a molecule gets different structures to define its bonding within the molecule. Such molecules cannot be represented in single Lewis structures. Resonating structures of such molecules are called contributing structures. In the process of resonance shifting of lone pairs occur with the bonds and other lone pairs.
The major contributors are those resonating structures in which almost all the atoms have filled octet.
The minor contributors are those resonating structures in which atoms do not have complete octet and electronegative atom carries positive charge and vice-versa.
(c)
To determine: The important resonance forms for the given compound; the major and minor contributors in the resonating structures; if they have the same energy and any important missing resonance form.
Interpretation: The important resonance forms for the given compound are to be stated; the major and minor contributors in the resonating structures are to be indicated; whether they have same energy is to be stated and any important missing resonating form is to be stated.
Concept introduction: Resonance is the process in which a molecule gets different structures to define its bonding within the molecule. Such molecules cannot be represented in single Lewis structures. Resonating structures of such molecules are called contributing structures. In the process of resonance shifting of lone pairs occur with the bonds and other lone pairs.
The major contributors are those resonating structures in which almost all the atoms have filled octet.
The minor contributors are those resonating structures in which atoms do not have complete octet and electronegative atom carries positive charge and vice-versa.
(d)
To determine: The important resonance forms for the given compound; the major and minor contributors in the resonating structures; if they have the same energy and any important missing resonance form.
Interpretation: The important resonance forms for the given compound are to be stated; the major and minor contributors in the resonating structures are to be indicated; whether they have same energy is to be stated and any important missing resonating form is to be stated.
Concept introduction: Resonance is the process in which a molecule gets different structures to define its bonding within the molecule. Such molecules cannot be represented in single Lewis structures. Resonating structures of such molecules are called contributing structures. In the process of resonance shifting of lone pairs occur with the bonds and other lone pairs.
The major contributors are those resonating structures in which almost all the atoms have filled octet.
The minor contributors are those resonating structures in which atoms do not have complete octet and electronegative atom carries positive charge and vice-versa.
(e)
To determine: The important resonance forms for the given compound; the major and minor contributors in the resonating structures; if they have the same energy and any important missing resonance form.
Interpretation: The important resonance forms for the given compound are to be stated; the major and minor contributors in the resonating structures are to be indicated; whether they have same energy is to be stated and any important missing resonating form is to be stated.
Concept introduction: Resonance is the process in which a molecule gets different structures to define its bonding within the molecule. Such molecules cannot be represented in single Lewis structures. Resonating structures of such molecules are called contributing structures. In the process of resonance shifting of lone pairs occur with the bonds and other lone pairs.
The major contributors are those resonating structures in which almost all the atoms have filled octet.
The minor contributors are those resonating structures in which atoms do not have complete octet and electronegative atom carries positive charge and vice-versa.
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Chapter 1 Solutions
Organic Chemistry Plus Masteringchemistry With Pearson Etext, Global Edition
- Select all compounds which are resonance structures of Compound A. :0: Compound A :0: .. O :0: :OHarrow_forwardThe curved-arrow convention depicts the flow of electrons, including bond-forming and breaking events. Draw the outcome of the following reaction based on the provided curved arrow. Be vigilant regarding formal charges. :ci: B. Ci: Draw three additional resonance structures of acetamide (below) and use curved arrow notation to show how the resonance structures are formed. Label the resonance contributors alphabetically (ex. A, B, C, D) and rank them from most to least significant contributor. •oº• Ⅱ. H3C 0°• H N Harrow_forwardSolve all parts otherwise I will downvotearrow_forward
- For each proposed set of resonance structures: a. (E) Add curved arrows (starting from left) to show how each successive r.s. was generated. b. Cross out any resonance structures that are NOT important, and explain your reasoning.arrow_forwardThe two molecules in the pictrue behave very differently in reactions. Though they are both neutral, it is possible to draw resonance structures to illustrate which atoms will have partial charges. In one of the molecules, a carbon of the double bond is partially positive while in the other it is partially negative. 1. Draw one resonance structure for each molecule below with only one positive and one negative charge in the left box. In the box to the right draw out the original structure with its partial charges, which can be determined from the resonance structures.arrow_forwardWhich of the following shows correct arrow placement that represents significant resonance for the given molecule? None of the choices given represent significant resonance. Save for Laterarrow_forward
- 9) Draw the resonance contributor that corresponds to the curved, two electron movement arrows in the resonance expressions below. -I Harrow_forwardDraw two resonance structures better than this. Include curvy arrows to show how you determined the structures. Lone pairs are not shown so include lone pairs in the original and subsequent structures. Label the major, minor, and very minor contributors.arrow_forward10. Draw 2 valid resonance structures for each of the following molecule. a) b) c) : ZI H :0: :0: u N: the overall bybarrow_forward
- Give a clear explanation handwritten answerarrow_forwardThe resonance structures shown below have all lone pairs drawn in, but are missing formal charges. Hint: the overall charge on the molecule is +1. What is the formal charge on the carbon labelled (A)? What is the formal charge on the nitrogen labelled (B)? What is the formal charge on the carbon labelled (C)? What is the formal charge on the nitrogen labelled (D)? Please state your answer with a "+" or "-" sign followed by a number. For 0, just write "0". HC DH A B H. C-N C=N. H. H. H. Harrow_forward11) For the following molecules: i. Fill in the missing lone pairs of electrons. ii. Draw the second major contributing resonance structure, including all lone pairs of electrons and formal charges. iii. Draw the arrows on the left molecule to indicate the movement of electrons that result in the resonance structure on the right. iv. Circle the major resonance contributor (note: if both are equal resonance contributors, circle both) and justify your choice in one sentence or less. (a) Justification for choice of major resonance contributor: (b) Justification for choice of major resonance contributor:arrow_forward
- Organic Chemistry: A Guided InquiryChemistryISBN:9780618974122Author:Andrei StraumanisPublisher:Cengage Learning