Molecule or lon SnCl4 #valence e **NO3 #valence e 6 **PF6 #valence e 6 SbCl5 #valence e 5 **N3- #valence e 6 Lewis Structure No. of Holes Needed in the Central Atom COJE No. of Regions of Electron Density on Central Atom Electron Geometry Molecular Geometry Sketch Molecule/lon Showing Molecular Geometry (show atoms only!)

Molecule or lon SnCl4 #valence e NO3 #valence e 6 PF6 #valence e 6 SbCl5 #valence e 5 **N3- #valence e 6 Lewis Structure No. of Holes Needed in the Central Atom COJE No. of Regions of Electron Density on Central Atom Electron Geometry Molecular Geometry Sketch Molecule/lon Showing Molecular Geometry (show atoms only!)

Chemistry

9th Edition

ISBN:9781133611097

Author:Steven S. Zumdahl

Publisher:Steven S. Zumdahl

Chapter9: Covalent Bonding: Orbitals

Section: Chapter Questions

Problem 4ALQ: Which of the following would you expect to be more favorable energetically? Explain. a. an H2...

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Benzene is one of the compounds used as an octane enhancer in unleaded gasoline. It is manufactured by the catalytic conversion of acetylene to benzene: 3C2H2C6H6 Draw Lewis structures for these compounds, with resonance structures as appropriate, and determine the hybridization of the carbon atoms in each.
The molecular orbital diagram of NO shown in Figure 10.47 also applies to the following species. Write the molecular orbital electron configuration of each, indicating the bond order and the number of unpaired electrons. (a) LiBe+ (b) CO+ (c) CN (d) OF Figure 10.47 Molecular orbital diagram for nitric oxide (NO). The molecular orbital diagram for NO predicts a bond order of 2.5 and predicts that the molecule is paramagnetic with one unpaired electron. These predictions are verified by experimental measurements.
Consider the following flat drawing of methane (CH4) . a. What is HCH bond angle implied by this drawing if you assume it is flat? b. Are the electron domains of this flat CH4 spread out as much as possible? c. Use model materials to make a model of CH4 (methane). If you assembled it correctly, thefour bonds (bonding electron domains) of your model will be 109.5° apart. d. In which representation, the drawing above or the model in your hand (circle one) are theH’s of CH4 more spread out around the central carbon? e. Confirm that your model looks like the following drawing. The wedgebond represents a bond coming out of the page, and the dash bondrepresents a bond going into the page f. You will often see methane drawn as if it were flat (like on the previous page). Why is thismisleading, and what is left to the viewer’s imagination when looking at such a drawing?
4. C/ 4 8:4 EG:tetrahedre NB:0 MGitetnatedrel EG: tetralleira 0:2 MG bent NB: 2 4 central (CH₂CH₂) polar or nonpolar? Explain. Potor, because Chorine has by higher electrones & Niets St then hydrogeme which results alim in uneque palling palling ond since it's also not symmetrica. atom? How many "central" atoms are part of methanol (CH3OH)? What are the molecular geometries of each central 2 Centro otorns H-0₁- atoms H B: 2 - NB: 2 MG bert I-N - 5. How many "central" atoms are part of ethylene glycol (HOCH₂CH₂OH), a component of antifreeze? What are the molecular geometries of each central atom? Is the molecule polar or nonpolar? Why? (Note: the modeling kits technically only contain one carbon and one oxygen via color coding, however, in this example, other spheres can be used to represent these elements within this molecule why?) 4 I U-I ... Or Ch 9-12 EG: tetrahedro B:4 66% terrehend NB:0 MG: teaters P