11. For the CH4 molecule, VSEPR Theory states that: a. Hydrogen atoms will cluster together to get as far away as possible from the electron cloud of carbon b. A tetrahedral shape will form, because the electrons of the hydrogen atoms will repel each other, creating the maximum possible amount of space between each hydrogen atom c. A pyramidal shape will form because of a lone pair of electrons on the carbon d. This molecule is impossible 12. For the CH4 molecule, Valence Bond Theory states that: a. Carbon will form sp hybrid orbitals b. Carbon will form sp? hybrid orbitals c. Hydrogen will form sp hybrid orbitals d. pi bonds will form between carbon and hydrogen 13. Which atom or ion could not have the following electron configuration: 1s 2s 2p°3s 3p° а. Ar b. Cl c. S d. P3-

11. For the CH4 molecule, VSEPR Theory states that: a. Hydrogen atoms will cluster together to get as far away as possible from the electron cloud of carbon b. A tetrahedral shape will form, because the electrons of the hydrogen atoms will repel each other, creating the maximum possible amount of space between each hydrogen atom c. A pyramidal shape will form because of a lone pair of electrons on the carbon d. This molecule is impossible 12. For the CH4 molecule, Valence Bond Theory states that: a. Carbon will form sp hybrid orbitals b. Carbon will form sp? hybrid orbitals c. Hydrogen will form sp hybrid orbitals d. pi bonds will form between carbon and hydrogen 13. Which atom or ion could not have the following electron configuration: 1s 2s 2p°3s 3p° а. Ar b. Cl c. S d. P3-

Chemistry for Engineering Students

3rd Edition

ISBN:9781285199023

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter7: Chemical Bonding And Molecular Structure

Section: Chapter Questions

Problem 7.68PAE: Considering only s and p atomic orbitals, list all the possible types of hybrid orbitals that can be...

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If molecular orbitals are created by combining five atomic orbitals from atom A and five atomic orbitals from atom B combine, how many molecular orbitals will result?
Considering only s and p atomic orbitals, list all the possible types of hybrid orbitals that can be used in the formation of (a) single bonds, (b) double bonds, and (c) triple bonds.
8.37 If a molecule is not very polarizable, how will it respond to an external electric field?
Based on the discussion so far, identify a characteristic that is common to all situations where electron-region geometry and molecular geometry are the same for a molecule or a polyatomic ion.
Can a molecule have bond dipoles but not have a molecular dipole? Explain.
Please fill in the blank ! In part B, the difference is that the molecules have more than one atom with two or more attached neighbors. As molecules become larger and more complex, VSEPR theory does not attempt to create names for the overall geometries that result. Instead, we continue to consider the geometry about one central atom at a time. By giving the arrangement about each such atom in the larger structure, we can generate enough information to develop an overall picture. Thus, in your report for part B, you should determine which atoms have more than one bound neighbor, then repeat the procedure for part A. When deciding whether the molecules in part B are polar or nonpolar, focus on the molecule as a whole, not the geometry about a single atom. If the molecule is polar, draw a dipole arrow on your sketch indicating polarity.
(a) If these three balloons are all the same size, what angleis formed between the red one and the green one? (b) If additionalair is added to the blue balloon so that it gets larger,will the angle between the red and green balloons increase,decrease, or stay the same? (c) Which of the following aspectsof the VSEPR model is illustrated by part (b): (i) Theelectron-domain geometry for four electron domains is tetrahedral.(ii) The electron domains for nonbonding pairs arelarger than those for bonding pairs. (iii) The hybridizationthat corresponds to a trigonal planar electron-domain geometryis sp2. [Section 9.2]
(a) If these three balloons are all the same size, what angleis formed between the red one and the green one? (b) If additionalair is added to the blue balloon so that it gets larger,will the angle between the red and green balloons increase,decrease, or stay the same? (c) Which of the following aspectsof the VSEPR model is illustrated by part (b): (i) Theelectron-domain geometry for four electron domains is tetrahedral.(ii) The electron domains for nonbonding pairs arelarger than those for bonding pairs. (iii) The hybridizationthat corresponds to a trigonal planar electron-domain geometryis sp2.
PLEASE ANSWER THHS ASAP Find the geometry, hybridization, polarity, and intermolecular forces in each molecule for those two molecules. 1. CBr4 and 2. SPF
Consider a NF molecule a. Draw orbitals of each atorn and find possible interactions among them. b. Draw atomic orbitals. using the potential energy information c. Draw molecular orbitals from the atomic orbitals of N and F. d. What is the band order of this molecule? e. Specify the types of molecular orbitals, or (NF,NF? Which of the three has the longest bond length -NF, NF, and NF ? Explain your answer.
a.draw a wedge and dashed wedge structure (picture) of CH3Cl that best illustrates the geometry about the central atom shown in the picture. In the other box, draw another picture of the model from a different angle (viewpoint). b.In CH3Cl, are the three hydrogen atoms equivalent (i.e., do they have identical environments with respect to the other atoms adjacent to themselves)? Briefly explain the evidence for your answer
Carbon monoxide, CO, is isoelectronic to N2. (a) Draw aLewis structure for CO that satisfies the octet rule. (b) Assumethat the diagram in Figure 9.46 can be used to describethe MOs of CO. What is the predicted bond order forCO? Is this answer in accord with the Lewis structure youdrew in part (a)? (c) Experimentally, it is found that thehighest energy electrons in CO reside in a σ-type MO. Isthat observation consistent with Figure 9.46? If not, whatmodification needs to be made to the diagram? How doesthis modification relate to Figure 9.43? (d) Would you expectthe π2p MOs of CO to have equal atomic orbital contributionsfrom the C and O atoms? If not, which atom wouldhave the greater contribution?