Rank the resonance structures in each group in order of increasing contribution to the resonance hybrid. Label the resonance structure that contributes the most as 3 and the resonance structure that contributes the least as 1. Label the intermediate contributor as 2. :O: a. CH3-C-ö-cCH, CH3-C-ö-CH3 CH,-C=0-CH, ÇH3 CH3-C-N=NH2 CH3 ÇH3
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- Please give the best resonance and second best resonance for SO2. Please explain why the best resonance is the "best" and why the second best resonance is the "second best".Complete the fourth resonance structure to determine which bond is shortest? Which compound will react fourth fastest with B-eBr ? d. e. F 14. Complete the fourth resonance structure to determine which bond is shortest? 15. Which compound will react fourth fastest with Br₂/FeBr3? a. b. d. -OH b dH3C CH3 H,SO4 H2 .C. „CH3 `CH' H3C° H2 ОН H2 Excess [O] OH H3C H2
- Styles 10. Draw all the significant resonance contributors for the following molecules or ions. H. H. (a) H. H. H. (b) H,C CH, H. :ÖCH, (c) H.C :o: (d)Which of the following pairs are resonance structures? a) and b) :N-NEN: and :N= N= N: 2- c) HO and and H. e) CHz CHz CH= CHz CHz CH=CH CHz and CH3 CHz CHz CH CHz CHz CH3 f) CH, CH CHz CHzCHz and :ö: g) and CHz C=CH23. a. E,R ✓ is? b. E.S C. S,Z 4. What is the л-energy diagram of the compound in question 3? d. R,Z e. not a.-d. a. b. C. d. e. not a.-d.
- Provide the structure for Compound X in the reaction scheme below. Include all lone pairs and formal charges. 1.-78 °C X÷A· Y÷F LDA -78 °C 2. NH4Cl Compound X H Compound ZSpecify the formal charges on the atoms labeled a-c in each structure. b a:0: CH3CH2, CH2CH3 b H3CN-CH3 CH;CH2 CH2CH3 ČH3 a a b bFor each example, specify whether the two structures are resonance contributors to the same resonance hybrid. a) H3C-ö-CH2 H3C-0=CH2 yes v b) ö: :0: H2C=CH-C-H H2C-CH=C-H
- Chemistry Which structure of SCO¹ is the most stable? 1. :0=C=S: II. :0-C=S: III. :o=c-s: W BIL Ô) III. D) II. and III. are equally stable and are more stable than I. E) All of the structures are equally stable.For each example, specify whether the two structures are resonance contributors to the same resonance hybrid. :0: а) H3C- H3C- :0: + b) H3C-NH-CH2 H3C-NH=CH2 CH2 CH2 c) CH2Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product structures, draw the curved electron-pushing arrows for the following reaction or mechanistic steps. Be sure to account for all bond-breaking and bond-making steps. :OH: Select to Add Arrows H₂O 3 H₂ H HH H :Br:Ⓒ HH Select to Add Arrows H₂O 17 :Br: H H Please select a drawing or reagent from the question area