3. The following shows all resonance structures for the following molecule. a. Draw in all implied lone pairs. b. Draw in curved arrows that show the flow of electrons, making sure the arrows show the precise starting point and destination of the electrons. Label each arrow as: lp → → c. d. →л (p=lone pair) Rank the resonance structures from most stable to least based on the number of formal charges and atoms that lack an octet of electrons. ol-of-o. B A D d-d-d-of E C F G

3. The following shows all resonance structures for the following molecule. a. Draw in all implied lone pairs. b. Draw in curved arrows that show the flow of electrons, making sure the arrows show the precise starting point and destination of the electrons. Label each arrow as: lp → → c. d. →л (p=lone pair) Rank the resonance structures from most stable to least based on the number of formal charges and atoms that lack an octet of electrons. ol-of-o. B A D d-d-d-of E C F G

Pushing Electrons

4th Edition

ISBN:9781133951889

Author:Weeks, Daniel P.

Publisher:Weeks, Daniel P.

Chapter1: Lewis Structures

Section: Chapter Questions

Problem 35EQ: In the Lewis structure for chloromethane, the chlorine atom is sharing _____ electron pair and...

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In the Lewis structure for chloromethane, the chlorine atom is sharing _____ electron pair and “owns” _____ of those electrons. Also, the chlorine atom possesses two electrons from each of _____ unshared pairs. The total number of electrons that belong to chlorine is 7 . Chlorine is a Group ____ element. The formal charge on chlorine in chloromethane is ____.
a.)Draw a Lewis diagram for POBr3 in which all atoms have a formal charge of zero . b.)Draw a Lewis structure for POBr3 in which the octet rule is satisfied on all atoms and show all NONZERO formal charges on all atoms. c.)Based on formal charge, which is the best Lewis structure for the molecule?octet rule satisfied for all atoms or smallest formal charge
1. Consider the structure shown below and then answer the following questions. a. Complete the structure by adding the missing formal charges. All atoms and lone pairs are explicitly shown. (Hint: Consider the number of bonds neutral atoms have.) :Ö: H ‚H H H b. Draw two more resonance structures of the molecule from part a by adding the missing î bonds, lone pairs, and formal charges. All atoms in both structures should possess an octet. (All atoms and o bonds are drawn for you; remember, only lone pairs and bonds move in resonance structures.) Additional guidelines are given for each structure. All atoms in this structure will be neutral (no formal charges). One oxygen atom has a +1 formal charge and one oxygen atom has a -1 formal charge. H H H H H H H H H
Draw Lewis structures for tye following molecules. a.) Atom "X" has 4 valence electrons and Atom "Y" has 6 valence electrons. Draw the Lewis structure for the molecule XY2, showing all lone pairs and formal charges when necessary b.) Atom "M" has 5 valence electrons and Atom "L" has 7 valence electrons. Draw the Lewis structure for the molecule M2L4, showing all lone pairs and formal charges when necessary
Match the atom with it's formal charge. C -H H ... H-C-P -c-H ai bi Prompts a Submitted Answers Choose a match Choose a match Choose a match I
1. Draw the resonance structures of the following molecule, using curved arrows to show electron movement and appropriate arrows to show the relationship between the structures. All lone pairs and charges must be clearly shown.
3.A. Add all implied hydrogen atoms and any missing lone pairs of electrons. There are many possible ways to get a negative charge on carbon, but only one with filled octets.
b. Write the structure showing lone pairs of electrons and draw all possible resonance structures for Use curved arrows to track the movement of electron pairs converting one resonance contributor to the other.: c. Write the structure showing lone pairs of electrons for the molecule below and draw all . Use curved arrows to track the possible resonance structures for anionic species movement of a pair of electrons.
d) c) H₂C b) Question 7. For each of the following: 1. H. iii. Providing the missing electrons around atoms Show electron movements using the curved arrow notation. Note that the double-headed arrow is required here as you will be moving a pair of electrons. Calculate the formal charge for those atoms involved in electron movements. Show working for calculation of formal charge. + 01H H₂C-1 da – CH3 H₂C H CH3 CH3 + 1 H H
Draw a resonance structure of the compound shown below, called 2-heptanone, which is found in some kinds of cheese. en Draw curved arrow(s) on the initial structure to show the expected resonance. Modify the second structure given to draw a new resonance structure, including any relevant formal charges. Use the + and - tools to add/remove charges to an atom, and use the single bond tool to add/remove double bonds. H3C CH3 Edit Drawing H3C CH3
A Lewis structure for the carbonate ion (CO-) is shown, but Add missing charges and non-bonding electrons. incomplete. Complete the structure by adding in formal charges and non-bonding electrons. Then draw the other two Select Draw Rings More Erase major resonance structures that fit the octet rule. Draw major resonance structure 2. Be sure to add Draw major resonance structure 3. Be sure to add charges and non-bonding electrons where appropriate. charges and non-bonding electrons where appropriate. Select Draw Rings Erase Select Draw Rings More More Erase
RESONANCE THEORY 1. Explain why and when there is a need for using resonance theory ? 2. Explain how do you use the curve arrow symbolism to generate resonance structures? 3. Draw the Lewis structure for the molecule of ozone (O3). Give any additional resonance structure(s) if applicable. 4. Draw the Lewis dot structure and all possible resonance structures for the following molecules or ions. Remember to assign correctly all formal charges in each Lewis structure. a) CH3COO b) HCO, c) PO4³ d) CNS 5. Draw the all possible resonance structures for each of the following molecules or ions. Remember to assign correctly all formal charges in each Lewis structure. OH OH + OH НО. H