LCPO CHEMISTRY W/MODIFIED MASTERING
8th Edition
ISBN: 9780135214756
Author: Robinson
Publisher: PEARSON
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Chapter 7, Problem 7.80SP
Methylphenidate
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Answer the questions in the table below about the shape of the phosphorus trifluoride (PF3) molecule.
How many electron groups are around the central phosphorus
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 phosphorus atom?
(You may need to use the scrollbar to see all the choices.)
(choose one)
X
Ś
Each Lewis structure of benzene has three C“C double bonds. Anotherhydrocarbon containing three C“C double bonds is hexatriene, C6H8. A Lewisstructure of hexatriene is
Experiments show that three of the C¬C bonds in hexatriene are shorter than theother two. Does this data suggest that hexatriene exhibits resonance structures?
In which of the following does the central atom have 2 pairs of non-bonding
electrons? *
O 03
CO2
O NH4+
) H2S
Chapter 7 Solutions
LCPO CHEMISTRY W/MODIFIED MASTERING
Ch. 7 - Use the electro negativity values in Figure 7.4...Ch. 7 - Conceptual APPLY 7.2 An electrostatic potential...Ch. 7 - The dipole moment of AgCI in the gas phaseis...Ch. 7 - Predict which bond has greater percent ionic...Ch. 7 - Select the correct electron-dot structure for H2S...Ch. 7 - Use the octet rule to predict the molecular...Ch. 7 - Identify the correct electron-dot structure for...Ch. 7 - Draw an electron-dot structure for each of the...Ch. 7 - Select the correct electron-dot structure for...Ch. 7 - Identify the correct electron-dot structure(s) for...
Ch. 7 - Prob. 7.11PCh. 7 - Which oxygen species do you predict to be most...Ch. 7 - Draw an electron-dot structure for the following...Ch. 7 - There are two molecules with the formula C2H6O...Ch. 7 - The following structure is a representation of...Ch. 7 - Draw two possible electron-dot structures for the...Ch. 7 - Called “laughing gas, nitrous oxide (N2O) is...Ch. 7 - Draw as many resonance structures as possible for...Ch. 7 - Prob. 7.19PCh. 7 - Prob. 7.20ACh. 7 - Calculate the formal charge on each atom in the...Ch. 7 - Start with the electron-dot structure for the...Ch. 7 - Calculate formal charges on the C and O atoms in...Ch. 7 - Three resonance structures for anisole (Problem...Ch. 7 - The toxicity of the organophosphate insecticides...Ch. 7 - Prob. 7.26PCh. 7 - Prob. 7.27PCh. 7 - The following structure is a representation of the...Ch. 7 - The electron-dot structure for the nerve a gentsar...Ch. 7 - Draw the new electron-dot structures indicated by...Ch. 7 - The following diagram shows the potential energy...Ch. 7 - The following diagram shows the potential energy...Ch. 7 - Two electrostatic potential maps are shown, one of...Ch. 7 - Prob. 7.34CPCh. 7 - Which of the following drawings is most likely to...Ch. 7 - The following ball-and-stick molecular model is a...Ch. 7 - The following hall-and-stick molecular model is a...Ch. 7 - Sinapaldehyde, a compound present in the toasted...Ch. 7 - Vitamin C (ascorbic acid) has the following...Ch. 7 - Match the following descriptions with the type of...Ch. 7 - Why do two atoms come together to form a covalent...Ch. 7 - Explain the difference in the bond dissociation...Ch. 7 - Explain the difference in the bond dissociation...Ch. 7 - Predict which of the following bonds should be...Ch. 7 - Prob. 7.45SPCh. 7 - What general trends in electro negativity occur in...Ch. 7 - Predict the electro negativity of the undiscovered...Ch. 7 - Order the following elements according to...Ch. 7 - Order the following elements according to...Ch. 7 - Which of the following substances contain bonds...Ch. 7 - Use the electro negativity data in Figure 7.4 to...Ch. 7 - Show the direction of polarity for each of the...Ch. 7 - Show the direction of polarity for each of the...Ch. 7 - Which of the substances...Ch. 7 - Which of the substances...Ch. 7 - Order the following compounds according to the...Ch. 7 - Order the following compounds according to the...Ch. 7 - Prob. 7.58SPCh. 7 - Using only the elements Ca, Cl, and Si, give...Ch. 7 - The dipole moment of BrCl is 0.518 D, and the...Ch. 7 - Prob. 7.61SPCh. 7 - Prob. 7.62SPCh. 7 - Prob. 7.63SPCh. 7 - Why does the octet rule apply primarily to...Ch. 7 - Which of the following substances contains an atom...Ch. 7 - Draw electron-dot structures for the following...Ch. 7 - Draw electron-dot structures for the following...Ch. 7 - Identify the correct electron-dot structure for...Ch. 7 - Draw an electron.dot structure for the hydronium...Ch. 7 - Oxalic acid, H2C2O4 , is a mildly poisonous...Ch. 7 - Draw an electron-dot structure for carbon...Ch. 7 - Prob. 7.72SPCh. 7 - Identify the fourth-row elements, X, that form the...Ch. 7 - Write electron-dot structures for molecules with...Ch. 7 - Write electron-dot structures for molecules with...Ch. 7 - Which compound do you expect to have the stronger...Ch. 7 - Which compound do you expect to have the stronger...Ch. 7 - Draw an electron-dot structure for each of the...Ch. 7 - Prob. 7.79SPCh. 7 - Methylphenidate (C14H19NO2) , marketed as Ritalin,...Ch. 7 - Pregabalin (C8H17NO2) , marketed as Lyric a, is an...Ch. 7 - The following molecular model is that of...Ch. 7 - Ibuprofen C 13 H 18 O 2 marketed under such brand...Ch. 7 - Draw as many resonance structures as you can that...Ch. 7 - Draw as many resonance structures as you can for...Ch. 7 - Which of the following pairs of structures...Ch. 7 - Which of the following pairs of structures...Ch. 7 - Draw as many resonance structures as you can that...Ch. 7 - Draw as many resonance structures as you can that...Ch. 7 - Benzene has the following structural formula. Use...Ch. 7 - Draw three resonance structures for sulfur...Ch. 7 - Some mothballs used when storing clothes are made...Ch. 7 - Four different structures (a), (b), (c), and (d)...Ch. 7 - Draw an electron-dot structure for carbon...Ch. 7 - Assign formal charges to the atoms in the...Ch. 7 - Assign formal charges to the atoms in the...Ch. 7 - Assign formal charges to the atoms in the...Ch. 7 - Assign formal charges to the atoms in the...Ch. 7 - Calculate formal charges for the C and O atoms in...Ch. 7 - Draw two electron-dot resonance structures that...Ch. 7 - Draw two electron-dot resonance structures that...Ch. 7 - Prob. 7.102SPCh. 7 - Prob. 7.103SPCh. 7 - Boron trifluoride reacts with dimethyl ether to...Ch. 7 - Thiofulminic acid, HCNS, has recently been...Ch. 7 - Draw two rcsonancc strutur for methyl isocyanate,...Ch. 7 - In the cyanatc ion. OCN , carbon is the central...Ch. 7 - Prob. 7.108MPCh. 7 - Prob. 7.109MPCh. 7 - Prob. 7.110MPCh. 7 - The neutral OH molecule has been implicated in...Ch. 7 - Prob. 7.112MPCh. 7 - Prob. 7.113MP
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- Indicate which of the following molecules are polar. Draw the molecular structure of each polar molecule, including the arrows that indicate the bond dipoles and the molecular dipole moment. (a) HCN (b) I2 (c) NOarrow_forwardConsider the following compounds: CO2, SO2, KrF2, SO3, NF3, IF3, CF4, SF4, XeF4, PF5, TF5, and SCl6. These 12 compounds are all examples of different molecular structures. Draw the Lewis structures for each and predict the molecular structures. Predict the bond angles and the polarity of each. (A polar molecule has a net dipole moment, while a nonpolar molecule does not.) See Exercises 25 and 26 for the molecular structures based on the trigonal bipyramid and the octahedral geometries.arrow_forwardDraw resonance formulas of the phosphoric acid molecule, (HO)3PO. Obtain formal charges for the atoms in these resonance formulas. From this result, which resonance formula would you expect to most closely approximate the actual electron distribution?arrow_forward
- Two important industrial chemicals, ethene, C2H4, and propene, C3H6, are produced by the steam (or thermal) cracking process:2C3 H8(g) ⟶ C2 H4(g) + C3 H6(g) + CH4(g) + H2(g)For each of the four carbon compounds, do the following:(a) Draw a Lewis structure.(b) Predict the geometry about the carbon atom.(c) Determine the hybridization of each type of carbon atom.arrow_forwardAnswer the questions in the table below about the shape of the phosphorus tetrachloryl (PCI4 ) cation. How many electron groups are around the central phosphorus atom? Note: one "electron group" means one lone pair, one single bond, one double bond, or one triple bond. olo What phrase best describes the arrangement of these electron groups around the central phosphorus atom? (You may need to use the scrollbar to see all the choices.) (choose one) Ar Explanation Check O 2021 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibilityarrow_forwardWhen drawing the Lewis structure of the HCC13 molecule, the structure should represent a total of 26 valence electrons. What is the best description of the complete Lewis structure of the molecule? Select one: AH atom should be in the center with single bonds to each Cl atom and a double bond to the C atom. A Cl atom should be in the center with a single bond to the C atom and a single bond to the H atom. AC atom should be in the center with a double bond to the H atom and double bonds to each Cl atom. AC atom should be in the center with single bonds to each Cl atom and a single bond to the H atom.arrow_forward
- Complete the following Lewis structures for the HONS molecule by adding dots for unshared valence electrons and indicating formal charges. Evaluate the importance of each structure as a contributor to a resonance hybrid. H – 0 – N = S, H–0 = N – Sarrow_forwardClear H,C-C :0-CH, H3C – C 'o- CH3 + The Lewis structure of methyl acetate, which has one other resonance structure in which all carbons and oxygens have complete octets, is shown. Complete the resonance structure by dragging bonds, charges, and electron lone pairs to their appropriate positions.arrow_forwardHow many lone pair of electrons are on O in HCOCl? Z of O = 8, Cl = 17 , C =6, H =1arrow_forward
- Methyl isocyanate, CH3NCO, was made infamous in 1984when an accidental leakage of this compound from a storagetank in Bhopal, India, resulted in the deaths of about3800 people and severe and lasting injury to many thousandsmore. (a) Draw a Lewis structure for methyl isocyanate.(b) Draw a ball-and-stick model of the structure,including estimates of all the bond angles in the compound.(c) Predict all the bond distances in the molecule.(d) Do you predict that the molecule will have a dipolemoment? Explain.arrow_forwardTwo important industrial chemicals, ethene, C2H4, and propene, C3H6, are produced by the steam (or thermal) cracking process: 2C3H8(g) ⟶ C2H4(g) + C3H6(g) + CH4(g) + H2(g) For each of the four carbon compounds, do the following: (a) Draw a Lewis structure. (b) Predict the geometry about the carbon atom. (c) Determine the hybridization of each type of carbon atom.arrow_forwardConsider an iodine tetrafluoride cation (IF4+): What is the elemental symbol of its central atom? How many valence electrons does this molecule contain? How many lone electron pairs surround the central atom? How many regions of electron density surround the central atom? For remaining items in this question, place the appropriate letter in the box: What is the electron geometry of this molecule? A = linear B = trigonal planar C = tetrahedral D = trigonal bipyramidal E = octahedral What is the molecular shape of this molecule? A = tetrahedral B = trigonal pyramid C = bent or angular D = T-shape E = Sawhorse or seesaw Is this a polar molecule? A = Yes B = No What is the hybridization of the central atom? A = sp B = sp2 C = sp3 D = sp3d E = sp3d2arrow_forward
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