Show the delocalization of charge in the following structure, draw the resonance forms and indicate the movement of electrons with curved arrows. CH2=CH-O*
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- Draw the conjugate base of C5F5H. Include lone pairs of electrons on all atoms. Add non-zero formal charges where appropriate.We have thus far determined the single bond connectivity for (CH, ),CO as: H Н—с—с-—с—н H H There are six valence electrons still unaccounted. Carbon must form four bonds in order to satisfy the octet rule. Add a bond to carbon and fill in the remaining missing electrons. Select Draw Rings More H H. H H HAn electrostatic potential map of calicene is shown below. a) Both the electrostatic potential map and its significant dipole moment indicate that calicene is an unusually polar hydrocarbon. Which of the dipolar resonance forms, structure A or structure B, better corresponds to the electron distribution in the molecule? Select the single best answer. b) Which one of the following structures should be stabilized by resonance to a greater extent? Select the single best answer.
- True or False: Consider the allyl cation (CH₂=CH-CH₂). Its resonance hybrid shows a formal charge of -1 on the centra O True O False Save for Later Subr(G) Show the delocalization Of Charges in the following Structures. Draw the resonance forms and indicate the movement of electrons with curved arrows (ii) CH2= CH- o+From what we know today, what do the two Kekulé structures for benzene really represent? August Kekulé was the first person to propose a viable structure for benzene in 1865. Structures that can be separated at low enough temperatures (near absolute zero). Structures that are in a state of rapid equilibrium. O Structures that are in resonance. Structures that are conjugated trienes (--C=C--C%3DC--C3C--).
- Specify whether the two structures are resonance contributors to the same resonance hybrid. Be sure to explain your reasoning. If yes, be sure to specify which is preferred and why. H2C=NH2Draw the resonance structures for the following compound and circle the one that contributes most to the resonance hybrid. Why? ОнWhat is the difference between the hybridization of carbon atoms' valence orbitals in saturated and unsaturated hydrocarbons?
- 4. One of the resonance structures of "tropylium ion" (C7H7*) is shown below. It is planar and aromatic with Hückel number of p-n electrons where n=1. Draw all the other contributing resonance structures. (There are more than two.) Based on the “average" of the contributing resonance structures, how close does the average ring carbon get to its "octeť" in tropylium ion?Write an equation for the reaction of CH3 SCH3 with BF3, a Lewis acid, and show by the use of curved arrows how the reaction occurs. • Show all hydrogen atoms that are not attached to a carbon atom. Apply formal charges where appropriate. Assign lone pairs and radical electrons where appropriate. • Use the "starting points" menu to revert to the original molecule(s) shown. • Draw the appropriate electron-flow arrows. • Omit+ signs between structures. ● ● CH3 | :S: | CH3 == starting points == ↑ TAYY : F کر ? ChemDoodleⓇDraw the skeletal (line-bond) structure of [C6H5SO3]-. Include all lone pairs and charges as appropriate.