4. One resonance form of a cation is shown below on the left. Complete its tworesonance structures using the molecule skeleton in the middle and on the right.Draw curved arrows to show how electrons move to form the middle structurefrom the left structure, and to form the right structure from the middle structure.HHHH8-8-8NHH

Answer: For resonance structure:The delocalized electrons move to form the resonance structures.…

Answered: 4. One resonance form of a cation is…

Chemistry

9th Edition

ISBN:9781133611097

Author:Steven S. Zumdahl

Publisher:Steven S. Zumdahl

Chapter9: Covalent Bonding: Orbitals

Section: Chapter Questions

Problem 67AE: Vitamin B6 is an organic compound whose deficiency in the human body can cause apathy, irritability,...

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Write Lewis structures for these ions. Show all valence electrons and all formal charges. (a) Amide ion, NH2 (b) Bicarbonate ion, HCO3 (c) Carbonate ion, CO32 (d) Nitrate ion, NO3 (e) Formate ion, HCOO (f) Acetate ion, CH3COO
How do you know when to draw a solid wedge vs a dashed wedge when drawing 3D bond-line structures? I know that solid-wedge means the atom is pointing towards you and dashed wedge means it's in the back, but how do you know which atoms are in the front as opposed to the back? How can you tell what the configuration will look like in space just by looking at the lewis structure or name?
How many valence electrons are there in a correctly drawn Lewis structure for formamide, HCONH2 ( You should also be able to draw the lewis structure for this. Hint, the C is in the center with an O ,N and 1 H attached. The other H atoms are attached to the N)
Why is it less clear to see the electrons on HBrO2 molecular electron geometry than it is on something like H2O? I know there should be 20 electrons on HBrO2, but this leads me to an incorrect drawing. And with the correct drawing, I don't see where all the electrons are. It seems like there's only 10 total. What am I missing here?
3) Determine whether CH3CI is polar. To do this, you must: draw the 3D structure of the molecule, use arrows to indicate polar bonds, and either use an arrow to indicate the net dipole moment or state that the molecule is non-polar.
For each of the Lewis structures shown below, predict the Electron Geometry, Molecular Geometry and Bond Angle. Lastly, using the same format as shown in the last column of Table 1, draw a sketch (using wedges and dashes to show 3D if needed) of the Molecular Geometry.
The curved arrow notation is a powerful method used by organic chemists to show the movement of electrons not only in resonance structures, but also in chemical reactions. Since each curved arrow shows the movement of two electrons, following the curved arrows illustrates what bonds are broken and formed in a reaction. Consider the following reaction. Choose the correct image that shows the curved arrows to show the movement of electrons.
Draw Lewis structures for each of the following and use them to answer the next 3 questions. 1) H3O+ 2) NF3 3) PH3 4) CO32- 5) CF4 6) CH2Cl2 Match each molecule or ion above to the correct electron-group arrangement from the list below. A linear B tetrahedral C bent D trigonal pyramidal E trigonal planar F T shape G square planar CF4 H3O+ NF3 CH2Cl2 PH3 CO32-
Draw three resonance structures for N3-. This species has its three atoms bonded sequentially in the following fashion: N-N-N. Draw your resonance structures so that the atoms in them are bonded together in this order. Select the most important resonance structure for this species based on the formal charges on the atoms of the three resonance structures you have drawn. Now select the statement from the multiple choices which is true about this most important resonance structure.In the most important resonance structure of N3- : a) The leftmost bond (between N and N) is a single bond.b) The rightmost bond (between N and N) is a single bond.c) The formal charge on the leftmost (N) atom is -1.d) The number of nonbonding pairs (lone pairs) of electrons on the leftmost (N) atom is 4.e) The number of nonbonding (lone) pairs of electrons on the rightmost (N) atom is 4.
Draw three resonance structures for N3-. This species has its three atoms bonded sequentially in the following fashion: N-N-N. Draw your resonance structures so that the atoms in them are bonded together in this order. Select the most important resonance structure for this species based on the formal charges on the atoms of the three resonance structures you have drawn. Now select the statement from the multiple choices which is true about this most important resonance structure.In the most important resonance structure of N3- : a) The leftmost bond (between N and N) is a single bond. b) The rightmost bond (between N and N) is a single bond. c) The formal charge on the leftmost (N) atom is -1. d) The number of nonbonding pairs (lone pairs) of electrons on the leftmost (N) atom is 4. e) The number of nonbonding (lone) pairs of electrons on the rightmost (N) atom is 4.
Answer the questions in the table below about the shape of the methanone (H₂CO) molecule. How many electron groups are around the central carbon atom? Note: one "electron group" means one lone pair, one single bond, one double bond, or one triple bond. What phrase best describes the arrangement of these electron groups around the central carbon atom? (You may need to use the scrollbar to see all the choices.) (choose one) X S
Draw the 2D and the 3D Lewis structure for each molecule. You do not need to show resonance structures here. Determine the electron pair geometry (EPG), the molecular geometry (MG), the bond angle (BA) around the central atom, and the hybridization of the central or bold atom. Circle the formula of any polar molecule. For molecules with more than one central atom (e.g. CH3CH20H) give the structure around the bold atom. Molecule ЕPG Hyb (circle if 2D Lewis Structure 3D Lewis Structure MG polar) ВА CH2S GeO2 CF4

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