Anun Complete the structure for anthracene, C, H,0: by adding bonds and hydrogen atoms as necessary. Select Drow Rings More Erase What type of hybrid orbitals are utilized by carbon in anthracene? How many o bonds and x bonds are there in an anthracene molecule? G bonds: x bonds: How many valence electrons occupy a-bond orbitals, and how many occupy x-bond orbitals?

Anun Complete the structure for anthracene, C, H,0: by adding bonds and hydrogen atoms as necessary. Select Drow Rings More Erase What type of hybrid orbitals are utilized by carbon in anthracene? How many o bonds and x bonds are there in an anthracene molecule? G bonds: x bonds: How many valence electrons occupy a-bond orbitals, and how many occupy x-bond orbitals?

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter3: Electron Orbitals

Section: Chapter Questions

Problem 8E

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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.
In the hybrid orbital model, compare and contrast bonds with bonds. What orbitals form the bonds and what orbitals form the bonds? Assume the z-axis is the internuclear axis.
Why do we hybtidize atomic orbitals to explain the bonding in covalent compounds? What type of bonds form from hybrid orbitals: sigma or pi? Explain.
Sketch the molecular orbital and label its type ( or , bonding or antibonding) that would be formed when the following atomic orbitals overlap. Explain your labels. a. b. c. d.
Biacetyl and acetoin are added to margarine to make it taste more like butter. Biacetyl Acetion Complete the Lewis strucrures, predict vnlues for nil CCO bond angles, and give the hybridization of the carbon atoms in these two compounds. Must the four carbon atoms and two oxygen atoms in biacetyl lie in the same plane? How many bonds and how many bonds are there in biacetyl and acetoin?
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.
Bromine forms a number of oxides of varying stability. (a) One oxide has 90.90% Br and 9.10% O. Assuming its empirical and molecular formulas are the same, draw a Lewis structure of the molecule and specify the hybridization of the central atom (O). (b) Another oxide is unstable BrO. Assuming the molecular orbital diagram in Figure 9. 16 applies to BrO, write its electron configuration (where Br uses 45 and 4p orbitals). What is the highest occupied molecular orbital (HOMO) for the molecule?
.eeueu Tor uis question. Sigma Bonding A o bond arises from the straight-on overlap of two atomic orbitals. The electron density lies lalong the axis of the two bonded nuclei. sp hybrid orbitel Example: Sigma Bonding in methane, CH4 Is orbital What atomic or hybrid orbitals make up the sigma bond between C, and H in ethylene, CH2CH2 ? (C2 is the second carbon in the structure as written.) orbital on C2+ orbital on H What is the approximate C-Cz-H bond angle ? Of
Anthracene is a yellow, crystalline solid found in coal tar Complete the structure for anthracene, C14 H0, by adding bonds and hydrogen atoms as necessary. Rings More Select Draw Erase C H е What type of hybrid orbitals are utilized by carbon in anthracene? How many o bonds and t bonds are there in an anthracene molecule? o bonds: bonds How many valence electrons occupy o-bond orbitals, and how many occupy T-bond orbitals? valence e in g-bond orbitals: valence e in T-bond orbitals:
b. PCIS dal How many and what type(s) of bonds (single, double, triple) are on the carbon? single How many lone pair electrons are in the structure? What is the electron orientation? trigonal by pyramital What is the shape of the molecule? What is the hybridization on the central atom? What is the hybridization of each chlorine?
Use the References to access important values if needed for this question. sigma Bonding Ao bond arises from the straight-on overlap of two atomic orbitals. The electron density lies along the axis of the two bonded nuclei. sp hybrid orbital Example: Sigma Bonding in methane, CHA 1s orbital What atomic or hybrid orbital on C makes up the sigma bond between C and O in formaldehyde, CH2O? orbital on C What is the approximate H-C-O bond angle? 5:52 PM FLV Type here to search 4/25/2020 SU prt sc home ho 12 delete end 40 144 & backspace 08. lock 3 %24 %23
11. Arrange the following compounds in order of increasing bolling polnt. CHO -CHCHO -CHCH CHCHLCH CHo A D hinh >_>_lowest 12. Arrange the following compounds in order of increasing melting point. .. HO CH OH A highest>_>_>_>_lowest 13. For the following molecule: Draw the Lewis Structure, show the molecular geometry around the central atoms, hybridizations, and approximate bond angles Molecular Geometry around Central Atom hybridi- zation bond angle F,CHNCO KFCN = CNC =