5. (15 points) The structure on the left below represents an acceptable Lewis structure for the...
Page l7 Prelaboratory Questions Molecular Geometry 1. Does the following Lewis structure represent an anion, a cation, or a molecule? If it represents an ion, what is the charge on the ion? 0: 2. Using the "octet rule" write the Lewis formulas for NF3 and NO3. 3. a) Explain in your own words what is meant by delocalized electrons. b) Draw all resonance structures for the nitrate ion. 4. Consider the molecule BF3. Two possible resonance structures are shown below....
Consider the Lewis structure for N20 shown below. What are the formal charges for the atoms from left to right in the Lewis structure? (The figure below should be showing two lone pairs of electrons on the far left N atom and two lone pairs on the oxygen atom) N=N=O 0,0,0
1.Draw one valid Lewis structure (including all lone pair electrons and any formal charges) for the anion (CH2CN)−. Assume the atoms are arranged as shown below. H C C N H 2. Follow the curved arrows to draw a second resonance structure for the following species.
Draw a major resonance structure for the following enolate. Use curved arrows in both structures to show the delocalization of electron pairs. Include lone pairs of electrons, formal charges, and hydrogen atoms. Draw a major resonance structure for the following enolate. Use curved arrows in both structures to show the delocalization of electron pairs. Include lone pairs of electrons, formal charges, and hydrogen atoms.
Draw the Lewis structure (including resonance structures) for diazomethane (CH2N2). For each resonance structure, assign formal charges to all atoms that have formal charge. Draw the molecules by placing atoms on the canvas and connecting them with bonds. Include all lone pairs of electrons. Show the formal charges of all atoms in the correct structures.
Lewis Structure Problem Set You must draw the Lewis structure with formal charges) for each molecullion to receive full credit 1. How many of the following have lone pairs on the centralatom? PFS NCI Seo 2. In how many of the following does the central atom contain exactly 1 double bond? NHN NO: NH: H-N -H 0. b= -5: HNH 3. How many of the following have at least one atom with a formal charge that is not zero? Which...
d) Decide which of the two resonance structures is the best Lewis structure for acrylonitrile. C= C— C= N 6. Acrylonitrile, C3H3N, is an important monomer in the manufacture of synthetic polymers, such as polyacrylonitrile. Uses include the production of plastics, surface coatings, nitrile elastomers, barrier resins, and adhesives. Its structure is given as " a) Complete the Lewis structure by adding all lone pairs. b) Add formal charges to the Lewis structure for acrylonitrile. c) A second structure can...
1. Consider in this problem a comparison of the Lewis structure and of the valence-bond (VB) description of the electronic structure and bonding in the nitrite anion (NO2?). The following sequence covers the usual sequence of steps that you should be able to carry out for any polyatomic molecule: (a) Draw a Lewis electron-dot structure; use it to determine the bond order between each pair of atoms, the presence of any lone pairs, and then determine the formal charges. (b)...
3.Fill in the table below - only 1 Lewis structure for eaclh is necessary, no resonance structures: Formula à HCNNO FICl, (exception to sulfite ion the octet rule) 3-D Lewis structure including bonding and lone pairs, and formal charges (each atom in the structure) electron pair geometry molecular geometry (with bond angles) Hybridization of the central atom(s) Polar?- Yes/No
3 Three major contributing resonance structures are possible for the following anion. One is given below, but is incomplete. Complete the given structure by adding non-bonding electrons and formal charges. Draw the remaining structures, including non-bonding electrons and formal charges. Do not draw curved arrows.