Concept explainers
(a)
Interpretation:
From the given compounds, compounds having delocalised electrons have to be identified.
Concept Introduction:
Delocalized electrons: Electrons that are not localized in one particular atom or bond and shared by three or more atoms are called delocalized electrons.
Resonance contributor: In some chemical compounds like benzene pi electrons are delocalized in it and difficult to locate it. Resonance contributor gives an idea of where about of pi electrons. The exact structure with localized electrons are called resonance contributor.
(a)
Interpretation:
From the given compounds, resonance contributor for compounds having delocalised electrons have to be drawn.
Concept Introduction:
Delocalized electrons: Electrons that are not localized in one particular atom or bond and shared by three or more atoms are called delocalized electrons.
Resonance contributor: In some chemical compounds like benzene pi electrons are delocalized in it and difficult to locate it. Resonance contributor gives an idea of whereabouts of pi electrons. The exact structure with localized electrons are called resonance contributor.
Want to see the full answer?
Check out a sample textbook solutionChapter 7 Solutions
Essential Organic Chemistry (3rd Edition)
- H. H H. H-C-0-C* H---0=C Н—С— H. H. H. H. Which of the following resonance structures is the more major contributor, the one on the left or the one on the right? left O rightarrow_forwardRank 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 ÇH3arrow_forwardWith reference to structure A, label structure B as an identical compound, a constitutional isomer, a resonance structure, or none of the above. Select the single best answer. CI 519 O Constitutional isomer O Resonance structure O Identical compound O None of the abovearrow_forward
- Select the MOST BASIC, HN. H OR C O C O Darrow_forwardComplete 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 darrow_forward13) Which pairs are resonance structures of one compound? X-X and A) X B) and Y-Y D) All (A, B, C)arrow_forward
- Am I drawing the resonance correctly for each? Thank youarrow_forwardLabel each double bond E, Z, or neither. (It may help to draw in some missing H’s.)arrow_forwardFor 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_forward
- 4. Draw the possible resonance structures for compounds C and D. Include lone pairs and indicate non-zero formal charges. Circle the minor resonance contributor for compound C. O :O: :O: C & Darrow_forwarda. What is the hybridization of each N atom in nicotine? b. What is the geometry around each N atom? c. In what type of orbital does the lone pair on each N atom reside? d. Draw a constitutional isomer of nicotine. e. Draw a resonance structure of nicotine.arrow_forwardQ9. Circle the most basic nitrogen(s) on the molecule shown below. HN NH Piccarrow_forward
- Organic Chemistry: A Guided InquiryChemistryISBN:9780618974122Author:Andrei StraumanisPublisher:Cengage Learning