Concept explainers
(a)
Interpretation: The given resonance structures are to be labeled as major, minor, or equal contributors to the hybrid and the hybrid is to be drawn.
Concept Introduction: Two resonance structures are different and the hybrid looks like the better resonance. Better resonance structure is the one which has major contribution in the hybrid and others are minor contributors. Major contributor is the resonance structure which possesses more bonds and fewer charges.
(b)
Interpretation: The given resonance structures are to be labeled as major, minor, or equal contributors to the hybrid and the hybrid is to be drawn.
Concept Introduction: Two resonance structures are different and the hybrid looks like the better resonance. Better resonance structure is the one which has major contribution in the hybrid and others are minor contributors. Major contributor is the resonance structure which possesses more bonds and fewer charges.
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EBK ORGANIC CHEMISTRY
- 4. Draw two plausible (equally or more contributing) resonance structures of the following compounds or reactive intermediates. Use arrow pushing to show the interconversion of resonance structures. a. b. C. d. H H-O-H N H N HO: B :0 :0: H H 0: 1 11arrow_forwardAnswer the following questions about octocrylene, a common sunscreen component. a. What is the hybridization of each C atom? b. How many lone pairs does octocrylene contain? c. What is the geometry around each C atom? d. Draw two additional resonance structures. e. Label all polar bonds.arrow_forwardDraw all reasonable resonance structures for each species. a. O3 c. Ng e. g. :O: :O: b. NO, (a central N atom) d. CH3-C-CH-C-CH, 1. CH2=CH-CH-CH=CH2arrow_forward
- Follow the curved arrows to draw a second resonance structure for each species. a. b. :o: C. -NEN: NH₂arrow_forwardDraw a second resonance structure for each ion. Then, draw the resonance hybrid. :0: :0: :OH а. b. C. :ö:arrow_forwardAnacin is an over-the-counter pain reliever that contains aspirin and caffeine. Answer the following questions about each compound. a.What is the molecular formula? b. How many lone pairs are present on heteroatoms? c. Label the hybridization state of each carbon. d. Draw three additional resonance structures.arrow_forward
- 2. Each resonance structure of a given molecule contributes to the resonance hybrid. The more stable the resonance structure, the more that resonance structure contributes to the resonance hybrid. For the following resonance structures, a. Circle the resonance structure that contributes most to the resonance hybrid. b. Explain your choice for a in complete sentences. c. Draw the resonance hybrid. d. Add curved arrows to indicate the flow of electrons in each structure except the D. H A Q Search B hyji C Darrow_forwardFollow the curved arrows to draw a second resonance structure for each ion. a. CH C-CH, b. H-E-c-CH3 H.arrow_forwardTrue or False? Circle your answer.a. A resonance hybrid is a structure with equal contribution from each possible resonance structure.True Falseb. Localized electrons do not participate in resonance.True Falsearrow_forward
- a. Draw as many possible resonance structures of the molecule, (show the direction of electron transfer using curved arrows) b. label the major contributor in the resonance (if any) Draw the resonance hybrid. С. ОН CH3 Molecule Aarrow_forwardLabel the resonance structures in each pair as major, minor, or equal contributors to the hybrid. Then draw the hybrid. a. CH3-C-N-CH3 I HH CH3-C=N-CH3 HH b. CHg=c&l, H CH₂-C=CH₂ Harrow_forwardO REPRESENTATIONS OF ORGANIC MOLECULES Ranking resonance structures Rank the resonance structures in each row of the table from major to minor. For example, in the first row, select (major) for the major resonance contributor. If two or more structures in the same row contribute equally, rank them equally by selecting the same number. H. H H. H. H. H. H. H. (Rank) (Rank) (Rank) H. H. H. H. H. H. H. (Rank) (Rank) :o: Rank) (Rank) 74°F DELL F5 F6 F7 F8 F9 F10 F11 PrtScr F12 24arrow_forward
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