Problem 7.1P: Use the electro negativity values in Figure 7.4 top redict whether the bonds in the following... Problem 7.2A: Conceptual APPLY 7.2 An electrostatic potential map of water is shown below. Which atom, H or O, is... Problem 7.3P: The dipole moment of AgCI in the gas phaseis =6.08D , and the bond length is 228 pm. Calculate the... Problem 7.4A: Predict which bond has greater percent ionic character, LiH or HF , using electro negativity values... Problem 7.5P: Select the correct electron-dot structure for H2S ,hydrogen sulfide, a poisonous gas produced by... Problem 7.6A: Use the octet rule to predict the molecular formula of compounds that form between the elements (a)... Problem 7.7P: Identify the correct electron-dot structure for POCl3 . Explain what is wrong with the incorrect... Problem 7.8A: Draw an electron-dot structure for each of the following molecules or ions: (a) CH2F2(b) AlCl3(c)... Problem 7.9P: Select the correct electron-dot structure for carbon monoxide, CO. Problem 7.10A: Identify the correct electron-dot structure(s) for SCN . (e) Both (b) and (c) are correct. (f) All... Problem 7.11P Problem 7.12A: Which oxygen species do you predict to be most reactive: O3,O2, or O2 ? Problem 7.13P: Draw an electron-dot structure for the following molecules. (a) Methylamine, CH5N(b) Ethylene, C2H4... Problem 7.14A: There are two molecules with the formula C2H6O .Draw electron-dot structures for both. (Hint: The... Problem 7.15P: The following structure is a representation of cytosine, a constituent of the DNA found in all... Problem 7.16A: Draw two possible electron-dot structures for the molecules with the following formulas. You may... Problem 7.17P: Called “laughing gas, nitrous oxide (N2O) is sometimes used by dentists as an anesthetic. (a) Given... Problem 7.18A: Draw as many resonance structures as possible for each of the following molecules or ions, giving... Problem 7.19P Problem 7.20A Problem 7.21P: Calculate the formal charge on each atom in the following structure. Problem 7.22A: Start with the electron-dot structure for the cyanate ion shown in Problem 7.21. (a) Use curved... Problem 7.23P: Calculate formal charges on the C and O atoms in two resonance structures for acetic acid, the main... Problem 7.24A: Three resonance structures for anisole (Problem 7.20) are shown. Calculate formal charges on C and O... Problem 7.25P: The toxicity of the organophosphate insecticides can he changed by substituting a sulfur for an... Problem 7.26P Problem 7.27P Problem 7.28P: The following structure is a representation of the organophosphate insecticide diazinon. Only the... Problem 7.29P: The electron-dot structure for the nerve a gentsar in is shown. Calculate the formal charges on P... Problem 7.30P: Draw the new electron-dot structures indicated by the curved arrows in the sar in molecule. Compare... Problem 7.31CP: The following diagram shows the potential energy of two atoms as a function of internuclear... Problem 7.32CP: The following diagram shows the potential energy of two atoms as a function of internuclear... Problem 7.33CP: Two electrostatic potential maps are shown, one of methyl-lithium (CH3Li) and the other of... Problem 7.34CP Problem 7.35CP: Which of the following drawings is most likely to represent an ionic compound and which a covalent... Problem 7.36CP: The following ball-and-stick molecular model is a representation of acetaminophen, the active... Problem 7.37CP: The following hall-and-stick molecular model is a representation of thalidomide, a drug that causes... Problem 7.38CP: Sinapaldehyde, a compound present in the toasted wood used for aging vine, has the following... Problem 7.39CP: Vitamin C (ascorbic acid) has the following connections among atoms. Complete the electron-dot... Problem 7.40SP: Match the following descriptions with the type of bond (ionic,non polar covalent, covalent). (a) One... Problem 7.41SP: Why do two atoms come together to form a covalent bond? (a) Attractive forces between the positively... Problem 7.42SP: Explain the difference in the bond dissociation energies for the following bonds:... Problem 7.43SP: Explain the difference in the bond dissociation energies for the following bonds:... Problem 7.44SP: Predict which of the following bonds should be strongest: NH,OH,SH . Problem 7.45SP Problem 7.46SP: What general trends in electro negativity occur in the periodic table? Problem 7.47SP: Predict the electro negativity of the undiscovered element with Z=119 . Problem 7.48SP: Order the following elements according to increasing electro negativity: Li, Br, Pb, K, Mg, C. Problem 7.49SP: Order the following elements according to decreasing electro negativity: C, Ca, Cs, Cl, Cu. Problem 7.50SP: Which of the following substances contain bonds that are largely ionic, and which contain bonds that... Problem 7.51SP: Use the electro negativity data in Figure 7.4 to predict which bond in each of the following pairs... Problem 7.52SP: Show the direction of polarity for each of the bonds inProblem 7.51 using the +/ notation. Problem 7.53SP: Show the direction of polarity for each of the covalent bonds in Problem 7.50 using the +/ notation. Problem 7.54SP: Which of the substances CdBr2,P4,BrF3,MgO,NF3,BaCl2,POCl3, and LiBr contain bonds that are: (a)... Problem 7.55SP: Which of the substances S8,CaCl2,SOCl2,NaF,CBr4,BrCl,LiF, and AsH3 contain bonds that are: (a)... Problem 7.56SP: Order the following compounds according to the increasing ionic character of their bonds:... Problem 7.57SP: Order the following compounds according to the increasing ionic character of their bonds:... Problem 7.58SP Problem 7.59SP: Using only the elements Ca, Cl, and Si, give formulas for the following. (a) An ionic compound (b) A... Problem 7.60SP: The dipole moment of BrCl is 0.518 D, and the distance between atoms is 213.9 pm. What is the... Problem 7.61SP Problem 7.62SP Problem 7.63SP Problem 7.64SP: Why does the octet rule apply primarily to main-group elements, not to transition metals? Problem 7.65SP: Which of the following substances contains an atom that does not follow the octet rule? (a) AlCl3(b)... Problem 7.66SP: Draw electron-dot structures for the following molecules orions. (a) CBr4(b) NdCl3(c) C2H5Cl (d)... Problem 7.67SP: Draw electron-dot structures for the following molecules,which contain atoms from the third row or... Problem 7.68SP: Identify the correct electron-dot structure for XeF5+ . Problem 7.69SP: Draw an electron.dot structure for the hydronium ion, H3O+ , and show how a coordinate covalent bond... Problem 7.70SP: Oxalic acid, H2C2O4 , is a mildly poisonous substance found in the leaves of rhubarb, spinach, and... Problem 7.71SP: Draw an electron-dot structure for carbon disulfide, CS2, showing lone pairs and identifying any... Problem 7.72SP Problem 7.73SP: Identify the fourth-row elements, X, that form the following compounds. Problem 7.74SP: Write electron-dot structures for molecules with the following connections, showing lone pairs and... Problem 7.75SP: Write electron-dot structures for molecules with the following connections, showing lone pairs and... Problem 7.76SP: Which compound do you expect to have the stronger NN bond, N2H2 or N2H4? Explain. Problem 7.77SP: Which compound do you expect to have the stronger NO bond, NO or NO2? Explain. Problem 7.78SP: Draw an electron-dot structure for each of the following substances. F3SSF CH3C=CCO2 Problem 7.79SP Problem 7.80SP: Methylphenidate (C14H19NO2) , marketed as Ritalin, is often prescribed for attention deficit... Problem 7.81SP: Pregabalin (C8H17NO2) , marketed as Lyric a, is an anti convulsant drug prescribed for treatment of... Problem 7.82SP: The following molecular model is that of aspartame, C14H18N2O5, known commercially as Nutra Sweet.... Problem 7.83SP: Ibuprofen C 13 H 18 O 2 marketed under such brand names as Advil and Mort in, is a drug sold over... Problem 7.84SP: Draw as many resonance structures as you can that obey the octet rule for each of the following... Problem 7.85SP: Draw as many resonance structures as you can for the following nitrogen-containing compounds. Not... Problem 7.86SP: Which of the following pairs of structures represent resonance forms, and which do not? Problem 7.87SP: Which of the following pairs of structures represent resonance forms, and which do not Problem 7.88SP: Draw as many resonance structures as you can that obey the octet rule for phenol (C6H6O) . Use... Problem 7.89SP: Draw as many resonance structures as you can that obey the octet rule for C2H5N. . Use curved arrows... Problem 7.90SP: Benzene has the following structural formula. Use curved arrows to show how to convert the original... Problem 7.91SP: Draw three resonance structures for sulfur tetroxide, SO4, whose connections are shown below. (This... Problem 7.92SP: Some mothballs used when storing clothes are made of naphthalene (C10H8), Add double bonds where... Problem 7.93SP: Four different structures (a), (b), (c), and (d) can be drawn for compounds named dibromobenzene,... Problem 7.94SP: Draw an electron-dot structure for carbon monoxide, CO, and assign formal charges to both atoms. Problem 7.95SP: Assign formal charges to the atoms in the following structures Problem 7.96SP: Assign formal charges to the atoms in the following resonance forms of ClO2-. Problem 7.97SP: Assign formal charges to the atoms in the following resonance forms of H2SO3. Problem 7.98SP: Assign formal charges to the atoms in the following structures. Which of the two do you think is the... Problem 7.99SP: Calculate formal charges for the C and O atoms in the following two resonance structures. Which... Problem 7.100SP: Draw two electron-dot resonance structures that obey the octet rule for trichloronitromethane,... Problem 7.101SP: Draw two electron-dot resonance structures that obey the octet rule for nitrosyl chloride, NOCl... Problem 7.102SP Problem 7.103SP Problem 7.104SP: Boron trifluoride reacts with dimethyl ether to form a compound with a coordinate covalent bond.... Problem 7.105SP: Thiofulminic acid, HCNS, has recently been detected at very low temperatures. Draw an electron-dot... Problem 7.106SP: Draw two rcsonancc strutur for methyl isocyanate, CH3NCO, a toxic gas that was responsible for the... Problem 7.107SP: In the cyanatc ion. OCN , carbon is the central atom. (a) I raw as many resonance structures as you... Problem 7.108MP Problem 7.109MP Problem 7.110MP Problem 7.111MP: The neutral OH molecule has been implicated in certain ozone destroying processes that take place in... Problem 7.112MP Problem 7.113MP format_list_bulleted