7) Please use MO diagrams in your explanations. (10) a) If you remove one electron from O₂, b) does this weaken or strengthen the bond? What charge would N, need to have in order for its Bond Order to be 2.5?

7) Please use MO diagrams in your explanations. (10) a) If you remove one electron from O₂, b) does this weaken or strengthen the bond? What charge would N, need to have in order for its Bond Order to be 2.5?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Draw the resonance forms that fit the octet rule for the metaphosphate ion, PO 3. (a) How many sigma bonds are there? How many pi bonds? (b) What is the phosphorus-oxygen bond order? (c) Arrange the following species in ord er of decreasing P-O bond strength (strongest first, weakest 6. 3- last). PO 4, PO2 , PO *, PO ;
1. Draw the Lewis structures for each of the following ions or molecules. For each, give (i) the molecular shape, (ii) the electron pair geometry at the central atom, and (iii) the hybridization of the central atom. (a) POF3 (b) XeO₂F3+ (c) BrCl₂ (d) N3 (the central atom is N; two other N's are bonded to it) (e) PF3
Nitrogen trifluoride (NF3) is used in the electronics industry to clean surfaces. NF3 is also a potent greenhouse gas. (A) Draw the Lewis structure of NF3 and determine its molecular geometry. (B) BF3 and NF3 both have three covalently bonded fluorine atoms around a central atom. Do they have the same dipole moment? (C) Could BF3 also behave as a greenhouse gas? Explain why or why not.
A common form of elemental phosphorus is the tetrahedralP4 molecule, where all four phosphorus atoms areequivalent: At room temperature phosphorus is a solid. (a) Are there anylone pairs of electrons in the P4 molecule? (b) How manyP¬P bonds are there in the molecule? (c) Draw a Lewisstructure for a linear P4 molecule that satisfies the octet rule.Does this molecule have resonance structures? (d) On thebasis of formal charges, which is more stable, the linear moleculeor the tetrahedral molecule?
A common form of elemental phosphorus is the tetrahedralP4 molecule, where all four phosphorus atoms areequivalent:At room temperature phosphorus is a solid. (a) Are there anylone pairs of electrons in the P4 molecule? (b) How manyP¬P bonds are there in the molecule? (c) Draw a Lewisstructure for a linear P4 molecule that satisfies the octet rule.Does this molecule have resonance structures? (d) On thebasis of formal charges, which is more stable, the linear moleculeor the tetrahedral molecule?
Consider the reaction BF3 + NH3 -> F3B-NH3 (a) Describe the changes in hybridization of the B and N atoms as a result of this reaction. (b) Describe the shapes of all the reactant molecules with their bond angles. (c) Draw the overall shape of the product molecule and identify the bond angles around B and N atoms. (d) What is the name of the bond between B and N. (e)Describe the bonding orbitals that make the B and F, B and N & N and H bonds in the product molecule.
Which statement is always true according to VSEPR theory?(a) The shape of a molecule is determined only by repulsions among bonding electron groups.(b) The shape of a molecule is determined only by repulsions among nonbonding electron groups.(c) The shape of a molecule is determined by the polarity of its bonds.(d) The shape of a molecule is determined by repulsions among all electron groups on the central atom (or interior atoms, if there is more than one).
Propylene, C3H6,C3H6, is a gas that is used to form the important polymer called polypropylene. Its Lewis structure is (a) What is the total number of valence electrons in the propylene molecule? (b) How many valence electrons are used to make σσ bonds in the molecule? (c) How many valence electrons are used to make ππ bonds in the molecule? (d) How many valence electrons remain in nonbonding pairs in the molecule? (e) What is the hybridization at each carbon atom in the molecule?
Which of the following molecules have dipole moments?(a) CS2(b) SeS2(c) CCl2F2(d) PCl3 (P is the central atom)(e) ClNO (N is the central atom)
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Answer the following questions about the structures of ions that contain only sulfur andfluorine. (a) The compounds SF4 and BF3 react to form an ionic compound according to the following equation. SF4 + BF3 -----> SF3BF4 (i) Draw a complete Lewis structure for the SF3* cation in SF3BF4. (ii) Identify the type of hybridization exhibited by sulfur in the SF3* cation. (iii) Identify the geometry of the SF3* cation that is consistent with the Lewis structure drawn in part (a) (i). (iv) Predict whether the F-S-F bond angle in the SF3* cation is larger than, equal to, or smaller than 109.50°. Justify your answer.
Which one of the following molecules does not have a dipole moment? Justify your answer. (a) BrCI(b) CIF(c) BrF(d) O2(e) ICI