4. Indicate the hybridization of the indicated atoms in the molecule below. No formal charges exist on this molecule, which means lone pair electrons must be inferred by you. Refer to previous page if you forgot. how many pi bonds are present in the molecule shown? -NH OH how many sigma bonds are present in the molecule shown?

4. Indicate the hybridization of the indicated atoms in the molecule below. No formal charges exist on this molecule, which means lone pair electrons must be inferred by you. Refer to previous page if you forgot. how many pi bonds are present in the molecule shown? -NH OH how many sigma bonds are present in the molecule shown?

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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Please answer the following questions about the below molecule: This molecule has ___ sigma bonds. This molecule has ___ pi bonds. This molecule has ___ hydrogen atoms. This molecule has ___ carbon atoms. This molecule has ___ lone pairs The nitrogen atom is ___ hybridized. The ___ orbital is involved in all hydrogen sigma bonding. The bond angle of C-N-O is ___ °.
♥ Draw Lewis structures for each of the following. Use the DEN and the number of REDs around thecentral atom to select the type of bonds, the molecular shape, and type of molecule from the lists.♥ Do not put covalent bonds between metals and nonmetals♥ Put brackets around anions to show both charge and quantity.
Find the hybrid orbital type for each atom, the carbon-carbon-oxygen bond angle, the molecular geometry of oxygen, and the number of sigma and pi bonds in the molecule.
Answer the questions in the table below about the shape of the sulfur hexabromide (SBr) molecule. How many electron groups are around the central sulfur atom? Note: one "electron group" means one lone pair, one single bond, one double bond, or one triple bond. What phrase best describes the arrangement of these electron groups around the central sulfur atom? (You may need to use the scrollbar to see all the choices.) (choose one) X Ś Um 0 G
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Draw the 2D and the 3D Lewis structure for each molecule. You do not need to show resonance structures here. Determine the electron pair geometry (EPG), the molecular geometry (MG), the bond angle (BA) around the central atom, and the hybridization of the central or bold atom. Circle the formula of any polar molecule. For molecules with more than one central atom (e.g. CHCH20H) give the structure around the bold atom.
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5. Draw the # and molecular orbitals for the discrete and localized T bonds in the following structures. Indicate any polar- ization these bonds may have in your diagram through the shapes of the discrete bonding and antibonding orbitals. e 6. Show any plausible resonance structures for the molecules given in Exercises 1 and 5. If there are no plausible resonance structures, indicate this (note that the molecule corresponding to letter A is the same in each problem). 7. Discuss the hybridization in the C-C and C-H bonds of cyclopropane, given that the H-C-H bond angle is 118°. withara --- totrachlorida b dingl A. B. C. D. 3
What are the angles a and b in the actual molecule of which this is a Lewis structure? H H H C H a a = C b = ⁰ C H Note for advanced students: give the ideal angles, and don't worry about small differences from the ideal that might be caused by the fact that different electron groups may have slightly different sizes. H X
Consider the following ion: BrO3¯. a) Show the full electron configuration for Br. b) Draw the most correct Lewis structure for BrO3¯ and briefly explain why your Lewis structure is correct. c) If the structure is stabilised by resonance, draw at least one of the possible resonance forms. If it is not stabilised by resonance, briefly explain why. d) What is the electronic geometry of BrO3-? What is its molecular shape? e) Does BrO3 have a dipole moment? Briefly justify your answer. f) On average, would you expect IO3¯ to have longer or shorter bonds than BrO3¯? Briefly explain your answer. g) Which of the following molecules would you expect to have the lowest vapour pressure? Briefly explain your choice. Br HO HO. Br- Compound A Compound B Compound C h) What is the molecular formula for Compound C? What is the empirical formula for Compound C?
Predicting deviations from ideal bond angles Consider the carbonate (co-). anion. What is the central atom? Enter its chemical symbol. How many lone pairs are around the central atom? What is the ideal angle between the carbon-oxygen bonds? Compared to the ideal angle, you would expect the actual angle between the carbon-oxygen bonds to be ... 0 口。 (choose one) (choose one) about the same bigger smaller
||| Predicting deviations from ideal bond angles Consider the perbromate (BrO4) : anion. What is the central atom? Enter its chemical symbol. How many lone pairs are around the central atom? What is the ideal angle between the bromine-oxygen bonds? Compared to the ideal angle, you would expect the actual angle between the bromine-oxygen bonds to be ... 0 口。 (choose one) (choose one) about the same bigger smaller