Although we usually don't show lone pairs on skeletal structures, sometimes it's necessary, for example, to show how a reaction will occur. Draw in any lone pairs in the structure below. Note: you may need to redraw parts of the structure to show atoms and bonds within a group before you can add any missing lone pairs c* of OH OH NH, NH, to

Although we usually don't show lone pairs on skeletal structures, sometimes it's necessary, for example, to show how a reaction will occur. Draw in any lone pairs in the structure below. Note: you may need to redraw parts of the structure to show atoms and bonds within a group before you can add any missing lone pairs c* of OH OH NH, NH, to

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter6: Covalent Bonding

Section: Chapter Questions

Problem 77QRT

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Although we usually don't show lone pairs on skeletal structures, sometimes it's necessary, for example, to show how a reaction will occur. Draw in any lone pairs in the structure below. Note: you may need to redraw parts of the structure to show atoms and bonds within a group before you can add any missing lone pairs ОН OH H,N H,N°
1. For each of the following compounds and ions, draw the complete Lewis structure. All formal charges should be on the atoms that possess that formal charge. CH4 H3CBr CH3CH₂OH H₂S H₂SO4 (sulfuric acid) H³0+ CH3* 2. Convert the following condensed formulas into bond-line structures, making sure to draw in zig-zag formation. CH3CH₂CH₂CH₂CH₂CH₂CH₂CH3 FCH₂CH₂I H₂C=CHCH₂OH (CH3)2CHCOOH
Although we usually don't show lone pairs on skeletal structures, sometimes it's necessary, for example, to show how a reaction will occur. Draw in any lone pairs in the structure below. Note: you may need to redraw parts of the structure to show atoms and bonds within a group before you can add any missing lone pairs OCH3 OCH,
Two major resonance structures are possible for the anion shown. One resonance form is given, but it is incomplete. Complete the given structure by adding nonbonding electrons and formal charges. Draw the remaining structure, including nonbonding electrons and formal charges. Omit curved arrows. Structure A: complete the structure by adding nonbonding electrons and formal charges. H H H I Structure B: draw the remaining resonance structure, including nonbonding electrons and formal charges. H- : z: H H
The structure of a vitamin is shown below. H HH H. нн C C-H нн н о H a) Write the line structure for this vitamin adding all the lone pairs to your structure b) Identify the functional groups in the vitamin c) Identify three polar covalent bonds (involving different pairs of elements) in the structure and draw the partial charges on the atoms involved. d) Identify two potentially nucleophilic atoms and two potentially electrophilic atoms in your structure, giving a very brief explanation in each case. 2.
Draw a valid Lewis (electron dot) structure of the following molecular formula. Note multiple structures (isomers) possible you only have to draw 1, but it must be valid (i.e. all atoms having the correct number of electrons). You must show how you arrived at the answer so I know it was not just copied from Google Images. You must show your work when tallying bonding electrons and how you get to the final structure to get credit! C2H3N
Two major contributing resonance structures are possible for the anion shown. One is given, but is incomplete. Complete the given structure by adding non-bonding electrons and formal charges. Draw the remaining structure, including non-bonding electrons and formal charges. Omit curved arrows. Draw formal charges and lone pairs to structure 1. H H H I. с | H H Complete structure 2. Add the pi bond, lone pairs and charges. H H H 1. A | 1 H H H
In the following Lewis structure of [(CH3)2OH]*, every atom, bond and lone pair is positioned. To complete the structure, drag the formal charge tags to the appropriate atom(s). Each marker may be used more than once, or not at all. If an atom has a formal charge of zero, do not drag a tag to it. When you drag the marker in, place the little crosshairs in the upper left corner of the marker directly over the atom(s) in question (not above them). H. H-C Н-С-О-С-Н C-H H HH 2- II 2-
10. Write the structures obtained when electrons move as indicated by the curved arrows in the following structure. Does each atom in the resulting structure have a complete valence shell of electrons? Locate any formal charges in the new structure. Don't worry about arrows converting back to the original structure, just draw the new structure and include the appropriate formal charges, if needed. н Н- EN: Н Н. -CH3
5. Redraw the following structures below in Lewis form, filling in all of the implied carbon atoms and hydrogen atoms. 6. The following are the reagent, intermediate, and product in a reaction you will learn later in Organic Chemistry. a. Identify any formal charges that are missing from the structures. b. Draw in all lone pairs. c. Redraw the structures with all hydrogen atoms. to t OH ₂
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Structural Isomers: In the next part you will learn a little about structural isomers and how to draw them. Structural isomers are compounds with the same molecular formula, but different bonding arrangements or connectivities. In other words, the atoms are connected in a different order. For example, there are 2 different compounds with the molecular formula C4H10. They are given below: H H-C- H -H H H HHH H- H H-C -H Η ΗΗ H H Do you see how the atoms are bonded in a different order in the 2 structures? So they are structural isomers. C3H12 Find three different molecular structures, isomers, with this formula. (Hint: Remember the C rule where every C atom needs to have 4 bonds.) C2H60 Find two different molecules with this formula. (Hint: What are the 2 ways you can C5H10 How many structural isomers can you find for this formula? (Hint: Notice that 2 H atoms have been removed. This means that there is EITHER 1 double bond OR there is a ring structure.) Try to provide at least 4…