EBK CHEMISTRY
8th Edition
ISBN: 9780135216972
Author: Robinson
Publisher: PEARSON CO
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Textbook Question
Chapter 7, Problem 7.75SP
Write electron-dot structures for molecules with the following connections, showing lone pairs and identifying any multiple bonds.
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Molecular Shape:trigonal planar
Questions: (Complete sentences are not necessary)
1 Examine the Lewis structure for each of the molecular shapes formed
above. (ignore BrF!) Complete the following table based upon both the
number of unshared electron pairs around the central atom and also the
number of bond groups that are around the central atom. For example. in
the following Lewis structure of PBr,, phosphonus (the central atom) has one
pair of unshared electrons and three bond ypoups surrounding it.
:Br:
Br
(Note: single, double, and triple bonds all count as single bond groups)
Number of Bond Groups
Number of Unshared Electron
Pairs Around the Central
Atom
Molecular Shape
Around Central Atom
Linear
Bent
Trigonal Planar
Trigonal Pyramidal
Tetrahedral
2. What is the electrostatic charge of all electron groups. either shared (Le. bonds) or unshared?
Since all electron groups have this same charge. do they attract or repel each other?
Molecular Shape:trigonal planar
Questions: (Complete sentences are not necessary)
1. Examine the Lewis structure for each of the molecular shapes formed
above. (ignore BrF!) Complete the following table based upon both the
number of unshared electron pairs around the central atom and also the
number of bond groups that are around the central atom. For example, in
the following Lewis structure of PBr,, phosphorus (the central atom) has one
pair of unshared electrons and three bond poups surrounding it.
Br:
Br P:
: Br:
(Note: single, double, and triple bonds all count as single bond groups)
Molecular Shape
Number of Unshared Electron
Pairs Around the Central
Number of Bond Groups
Around Central Atom
Atom
Linear
Bent
Trigonal Planar
Trigonal Pyramidal
Tetrahedral
2. What is the electrostatic charge of all electron groups. either shared (Le. bonds) or unshared?
mnel cach other?
Molecular Shape.trigonal planar
Questions: (Complete sentences are not necessary)
1. Examine the Lewis structure for each of the molecular shapes formed
above. (ignore BrF!) Complete the following table based upon both the
number of unshared electron pairs around the central atom and also the
number of bond groups that are around the central atom. For example, in
the following Lewis structure of PBr,, phosphorus (the central atom) has one
pair of unshared electrons and three bond groups surrounding it
Br
P:
(Note: single, double, and trıple bonds all count as single bond groups)
Number of Unshared Electron
Pairs Around the Central
Number of Bond Groups
Around Central Atom
Molecular Shape
Atom
Linear
Bent
Trigonal Planar
Trigonal Pyramidal
Tetrahedral
2. What is the electrostatic charge of all electron groups, either shared (Le. bonds) or unshared?
Chapter 7 Solutions
EBK CHEMISTRY
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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- the formal charges on all the atoms in the following Lewis diagrams. Which one would best represent bonding in the molecule Cl2O ?arrow_forwardWhat is the maximum number of atoms to which a central atom in a molecule can bond and still conform to the octet rule? What is the minimum number?arrow_forwardSulfur and oxygen form a series of 2 anions including sulfite, SO32, and sulfate, SO42. In addition to these, there are three other more complex anionsdithionite, S2O42, dithionate, S2O62, and tetrathionate, S4O62. Write correct Lewis structures for dithionite, dithionate, and tetrathionate ions.arrow_forward
- Predicting the arrangement of electron groups around the central atom of a molecule.arrow_forwardConnectivity of the atoms of letter “B”naming the central atom and those atoms bonded to it. pointing out and stating the value of the bond angles in degrees; naming the geometrical shape of the molecule surrounding the central atom; discussing the polarity of the molecule.arrow_forwardO CHEMICAL BONDING Predicting the arrangement of electron groups around the central atom of a molecule Answer the questions in the table below about the shape of the phosphorus trichloride (PCI,) 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) Explanation Check O2020 McGraw-Hill Education, All Rights Re Type here to searcharrow_forward
- Pleas answer as much as u canarrow_forwardAssign formal charges for all the atoms in the sulphate ion, SO.arrow_forwardConsider the molecule with the formula below, where X is the only central atom (all other atoms are directly bonded to X). Draw the most important Lewis structure for the molecule that follows the octet rule using the molecular charge and formal charges listed below. Determine the identity of X and the number of single and double bonds in your structure. Molecule formula: HXO2 Molecular charge: -1 Total number of valence electrons: 18 Formal charge on X: 0 The central atom (X) is: Click for List The molecule's number of single bonds is: The molecule's number of double bonds is: Click for List Click for Listarrow_forward
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