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Concept explainers
a)
Interpretation:
- The given pairs of structures has to be predicted.
Concept Introduction:
Resonance Contributor: The appropriate structure with the localized electrons is called a resonance contributor, a resonance structure, or a contributing resonance structure.
Delocalized electrons: The sharing of electrons between two or more atoms known as delocalization of electrons. In order to have delocalized electrons, the system must be planar and have alternative double bonds and single bonds.
Resonance hybrid: The actual structure with delocalized electrons is called a resonance hybrid.
b)
Interpretation:
- The given pairs of structures to be predicted.
Concept Introduction:
Resonance Contributor: The appropriate structure with the localized electrons is called a resonance contributor, a resonance structure, or a contributing resonance structure.
Delocalized electrons: The sharing of electrons between two or more atoms known as delocalization of electrons. In order to have delocalized electrons, the system must be planar and have alternative double bonds and single bonds.
Resonance hybrid: The actual structure with delocalized electrons is called a resonance hybrid.
c)
Interpretation:
- The given pairs of structures has to be predicted.
Concept Introduction:
Resonance Contributor: The appropriate structure with the localized electrons is called a resonance contributor, a resonance structure, or a contributing resonance structure.
Delocalized electrons: The sharing of electrons between two or more atoms known as delocalization of electrons. In order to have delocalized electrons, the system must be planar and have alternative double bonds and single bonds.
Resonance hybrid: The actual structure with delocalized electrons is called a resonance hybrid.
d)
Interpretation:
- The given pairs of structures has to be predicted.
Concept Introduction:
Resonance Contributor: The appropriate structure with the localized electrons is called a resonance contributor, a resonance structure, or a contributing resonance structure.
Delocalized electrons: The sharing of electrons between two or more atoms known as delocalization of electrons. In order to have delocalized electrons, the system must be planar and have alternative double bonds and single bonds.
Resonance hybrid: The actual structure with delocalized electrons is called a resonance hybrid.
e)
Interpretation:
- The given pairs of structures has to be predicted.
Concept Introduction:
Resonance Contributor: The appropriate structure with the localized electrons is called a resonance contributor, a resonance structure, or a contributing resonance structure.
Delocalized electrons: The sharing of electrons between two or more atoms known as delocalization of electrons. In order to have delocalized electrons, the system must be planar and have alternative double bonds and single bonds.
Resonance hybrid: The actual structure with delocalized electrons is called a resonance hybrid.
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Chapter 8 Solutions
Organic Chemistry; Modified MasteringChemistry with Pearson eText -- ValuePack Access Card; Study Guide and Student Solutions Manual for Organic Chemistry, Books a la Carte Edition (7th Edition)
- Which of the following pairs are NOT resonance structures? + H₂C-0-N=0: and H₂C-O=N-0: :0=c=0: =Ö: and :Ö= H₂C-0-N=0: and H₂C- Each of these pairs represents resonance structures. O None of these pairs represents resonance structures.arrow_forwardIs the following true or false? In general, the more resonance structures that can be constructed for a molecule the more stable a molecule is.arrow_forwardCarbonate anion has how many resonance structures?arrow_forward
- Find resonance structures and determine why is one higher than the other. At least 2 resonance structures.arrow_forwardThe following scheme is not resonance. Thcre is a lot of things wrong with it but explain why it is not an example of resonance. :O: CH,arrow_forwardHow many resonance structures can be drawn for the following molecule?arrow_forward
- Draw all the possible resonance structures for the nitrite ion. How many resonance structures can you have in total for nitrite?arrow_forwardWhich of the following resonance structure for OCN- will contribute most to the correct structure of OCN-? O = C-N, with one lone pair on O and three lone pairs on N O=C=N, with two lone pairs on O, and two lone pairs on N O=C=N, with one lone pair on O, two lone pairs on C, and one lone pair on N O-C = N, with three lone pairs on O and one lone pair on N They All contribute equally to the structure on OCN-arrow_forwardWhich of the following contributing resonance structures is more important in the two examples below? Еxample 1 :0: H3C- NH2 H3C- More important resonance structure = Example 2 H NH2 NH2 HC- HC H H H More important resonance structure =arrow_forward
- Which of the highlighted chemical bonds in the molecules below is longest? Shortest? In between? Which highlighted bond requires the highest energy to break? Lowest? In between? Answer these questions by completing the second and third columns in the table. length of highlighted bond energy of highlighted bond compound H :0: Н—с—с-F: choose one - choose one - H н :0: H-C-c-I: - choose one - choose one H н :0: Н—с —С — СІ - choose one choose one - V :ö:arrow_forwardThe bond energy (in kcal mol–1) of a C—C single bond is approximately?arrow_forwardWhich highlighted bond requires the highest energy to break? Lowest? In between? Answer these questions by completing the second column in the table. compound energy of highlighted bond H-N-H choose one - H-P-H choose one - H. Н— - As-H - choose one -arrow_forward
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