Chemistry: An Atoms First Approach
2nd Edition
ISBN: 9781305079243
Author: Steven S. Zumdahl, Susan A. Zumdahl
Publisher: Cengage Learning
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Textbook Question
Chapter 4, Problem 118CP
Use the MO model to explain the bonding in BeH2. When constructing the MO energy-level diagram, assume that the Be’s 1s electrons are not involved in bond formation.
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Chapter 4 Solutions
Chemistry: An Atoms First Approach
Ch. 4 - Explain the main postulate of the VSEPR model....Ch. 4 - Explain why CF4 and Xef4 are nonpolar compounds...Ch. 4 - Consider the following compounds: CO2, SO2, KrF2,...Ch. 4 - Prob. 4RQCh. 4 - What hybridization is required for central atoms...Ch. 4 - Prob. 6RQCh. 4 - Prob. 7RQCh. 4 - What are molecular orbitals? How do they compare...Ch. 4 - Explain the difference between the and MOs for...Ch. 4 - Prob. 3ALQ
Ch. 4 - Which of the following would you expect to be more...Ch. 4 - Arrange the following molecules from most to least...Ch. 4 - Which is the more correct statement: The methane...Ch. 4 - Prob. 7ALQCh. 4 - Prob. 8ALQCh. 4 - Which of the following statements is/are true?...Ch. 4 - Give one example of a compound having a linear...Ch. 4 - In the hybrid orbital model, compare and contrast ...Ch. 4 - Prob. 13QCh. 4 - Prob. 14QCh. 4 - Prob. 15QCh. 4 - Prob. 16QCh. 4 - Compare and contrast bonding molecular orbitals...Ch. 4 - Prob. 18QCh. 4 - Why does the molecular orbital model do a better...Ch. 4 - The three NO bonds in NO3 are all equivalent in...Ch. 4 - Predict the molecular structure (including bond...Ch. 4 - Predict the molecular structure (including bond...Ch. 4 - Predict the molecular structure and bond angles...Ch. 4 - Prob. 24ECh. 4 - Prob. 25ECh. 4 - Two variations of the octahedral geometry (see...Ch. 4 - Predict the molecular structure (including bond...Ch. 4 - Predict the molecular structure (including bond...Ch. 4 - State whether or not each of the following has a...Ch. 4 - The following electrostatic potential diagrams...Ch. 4 - Which of the molecules in Exercises 21 and 22 have...Ch. 4 - Which of the molecules in Exercises 27 and 28 have...Ch. 4 - Write Lewis structures and predict the molecular...Ch. 4 - Write Lewis structures and predict whether each of...Ch. 4 - Consider the following Lewis structure where E is...Ch. 4 - Consider the following Lewis structure where E is...Ch. 4 - The molecules BF3, CF4, CO2, PF5, and SF6 are all...Ch. 4 - Two different compounds have the formula XeF2Cl2....Ch. 4 - Use the localized electron model to describe the...Ch. 4 - Use the localized electron model to describe the...Ch. 4 - Use the localized electron model to describe the...Ch. 4 - Use the localized electron model to describe the...Ch. 4 - The space-filling models of ethane and ethanol are...Ch. 4 - The space-filling models of hydrogen cyanide and...Ch. 4 - Prob. 45ECh. 4 - Prob. 46ECh. 4 - Prob. 47ECh. 4 - Give the expected hybridization of the central...Ch. 4 - For each of the following molecules, write the...Ch. 4 - For each of the following molecules or ions that...Ch. 4 - Prob. 51ECh. 4 - The allene molecule has the following Lewis...Ch. 4 - Indigo is the dye used in coloring blue jeans. The...Ch. 4 - Prob. 54ECh. 4 - Prob. 55ECh. 4 - Many important compounds in the chemical industry...Ch. 4 - Two molecules used in the polymer industry are...Ch. 4 - Hot and spicy foods contain molecules that...Ch. 4 - One of the first drugs to be approved for use in...Ch. 4 - The antibiotic thiarubin-A was discovered by...Ch. 4 - Prob. 61ECh. 4 - Sketch the molecular orbital and label its type (...Ch. 4 - Prob. 63ECh. 4 - Which of the following are predicted by the...Ch. 4 - Prob. 65ECh. 4 - Prob. 66ECh. 4 - Prob. 67ECh. 4 - Using the molecular orbital model to describe the...Ch. 4 - Prob. 69ECh. 4 - A Lewis structure obeying the octet rule can be...Ch. 4 - Using the molecular orbital model, write electron...Ch. 4 - Using the molecular orbital model, write electron...Ch. 4 - In which of the following diatomic molecules would...Ch. 4 - In terms of the molecular orbital model, which...Ch. 4 - Prob. 75ECh. 4 - Show how a hydrogen 1s atomic orbital and a...Ch. 4 - Use Figs. 4-54 and 4-55 to answer the following...Ch. 4 - The diatomic molecule OH exists in the gas phase....Ch. 4 - Prob. 79ECh. 4 - Describe the bonding in NO+, NO, and NO, using...Ch. 4 - Describe the bonding in the O3 molecule and the...Ch. 4 - Prob. 82ECh. 4 - Prob. 83AECh. 4 - Vitamin B6 is an organic compound whose deficiency...Ch. 4 - Two structures can be drawn for cyanuric acid: a....Ch. 4 - Prob. 86AECh. 4 - What do each of the following sets of...Ch. 4 - Aspartame is an artificial sweetener marketed...Ch. 4 - Prob. 89AECh. 4 - The three most stable oxides of carbon are carbon...Ch. 4 - Prob. 91AECh. 4 - Which of the following molecules have net dipole...Ch. 4 - The strucrure of TeF5 is Draw a complete Lewis...Ch. 4 - Complete the following resonance structures for...Ch. 4 - Prob. 95AECh. 4 - Describe the bonding in the first excited state of...Ch. 4 - Using an MO energy-level diagram, would you expect...Ch. 4 - Show how a dxz. atomic orbital and a pz, atomic...Ch. 4 - What type of molecular orbital would result from...Ch. 4 - Consider three molecules: A, B, and C. Molecule A...Ch. 4 - Prob. 101CWPCh. 4 - Predict the molecular structure, bond angles, and...Ch. 4 - Draw the Lewis structures for SO2, PCl3, NNO, COS,...Ch. 4 - Draw the Lewis structures for TeCl4, ICl5, PCl5,...Ch. 4 - A variety of chlorine oxide fluorides and related...Ch. 4 - Pelargondin is the molecule responsible for the...Ch. 4 - Complete a Lewis structure for the compound shown...Ch. 4 - Prob. 108CWPCh. 4 - Consider the molecular orbital electron...Ch. 4 - Place the species B2+ , B2, and B2 in order of...Ch. 4 - The compound NF3 is quite stable, but NCl3 is very...Ch. 4 - Predict the molecular structure for each of the...Ch. 4 - Prob. 113CPCh. 4 - Cholesterol (C27liu;O) has the following...Ch. 4 - Cyanamide (H2NCN), an important industrial...Ch. 4 - As compared with CO and O2, CS and S2 are very...Ch. 4 - Prob. 117CPCh. 4 - Use the MO model to explain the bonding in BeH2....Ch. 4 - Prob. 119CPCh. 4 - Arrange the following from lowest to highest...Ch. 4 - Prob. 121CPCh. 4 - Prob. 122CPCh. 4 - Carbon monoxide (CO) forms bonds to a variety of...Ch. 4 - The space-filling model for benzoic acid, a food...Ch. 4 - As the bead engineer of your starship in charge of...Ch. 4 - A flask containing gaseous N2 is irradiated with...Ch. 4 - Determine the molecular structure and...
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- Can you please explain why structure 3 is the correct answer? Please give a detailed explanation.arrow_forwardPart VII. The H-NMR of a compound with molecular formula C5 H 10 O2 is given below. Find the following: (a) The no. of protons corresponding to each signal in the spectra (6) Give the structure of the compound and assign the signals to each proton in the compound. a 70.2 Integration Values C5H10O2 b 47.7 C 46.5 d 69.5 3.6 3.5 3.4 3.3 3.2 3.1 3.0 2.9 2.8 2.7 2.6 2.5 2.4 2.3 2.2 2.1 2.0 Chemical Shift (ppm) 1.9 1.8 1.7 1.6 1.5 1.4 1.3 1.2 1.1 1.0 0.9 0.8arrow_forwardPart 111. 1 H-NMR spectrum of a compound with integration values in red is given below. Answer the following: (a) write the signals in the 'H-NMR spectrum to the corresponding protons on the structure of the molecule below. (b) Identify the theoretical multiplicities for each proton in the compound. Also give the possible. complex splitting patterns assuming J values are not similar. там Br 22 2 3 6 4 7.2 7.0 6.8 6.6 6.4 6.2 6.0 5.8 5.6 5.4 5.2 5.0 4.8 4.6 4.4 4.2 4.0 3.8 3.6 3.4 3.2 3.0 2.8 2.6 2.4 2.2 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0 Chemical Shift (ppm) ra. Br 2 3 6 6 2.5 2.4 2.3 2.2 2.1 2.0 1.9 1.8 1.7 1.6 1.5 1.4 1.3 1.2 1.1 1.0 0.9 0.8 Chemical Shift (ppm) 2 2 Br 7.3 7.2 7.1 7.0 6.9 6.7 6.6 6.5 6.4 6.3 6.2 6.1 6.0 Chemical Shift (ppm) 5.9 5.8 5.7 5.5 5.4 5.3 5.2 5.0 4.9arrow_forward
- 1600° 1538°C 1493°C In the diagram, the letter L indicates that it is a liquid. Indicate its components in the upper region where only L is indicated. The iron-iron carbide phase diagram. Temperature (°C) 1400 8 1394°C y+L 1200 2.14 y, Austenite 10000 912°C 800a 0.76 0.022 600 400 (Fe) a, Ferrite Composition (at% C) 15 1147°C a + Fe3C 2 3 Composition (wt% C) L 2500 4.30 2000 y + Fe3C 727°C 1500 Cementite (Fe3C) 1000 4 5 6 6.70 Temperature (°F)arrow_forwardNonearrow_forwardPart II. Given below are the 'H-NMR spectrum at 300 MHz in CDC13 and mass spectrum using electron ionization of compound Brian. The FTIR of the said compound showed a strong peak at 1710 cm"). Determine the following: (a) molecular Formula and Degree of unsaturation of compound Brian (b) Basing on the given H-NMR spectrum tabulate the following (i) chemical shifts (ii) integration, ciii) multiplicity and (iv) interferences made for each signal (c) Draw the structure of compound Brian. ) ΕΙ 43 41 27 71 114 (M+) Hmmm 20 30 40 50 60 70 80 90 100 110 120 1H NMR spectrum 300 MHz in CDCl3 2.0 alle 1.0arrow_forward
- The iron-iron carbide phase diagram. In the diagram, the letter L indicates that it is a liquid. Indicate what its components are. Temperature (°C) 1600 10 Composition (at% C) 15 25 1538°C -1493°C 8 1400 1200 1394°C y+L L 2500 1147°C y. Austenite 2.14 4.30 2000 1000 912°C y + Fe3C 800ㅏ 0.76 0.022 600 a, Ferrite a + Fe3C 400 0 (Fe) Composition (wt% C) 727°C 1500 Cementite (Fe3C) 1000 6 6.70 Temperature (°F)arrow_forwardPart V. Choose which isomer would give the 1H-NMR spectrum below. Justify your reasoning by assigning important signals to the Corresponding protons of the correct molecule. A D on of of of H H 88 2 90 7.8 7.6 7.4 80 5 6 [ppm] 7.2 6.8 6.6 6.4 ō [ppm]arrow_forwardShow work with explanation. don't give Ai generated solutionarrow_forward
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