1 Matter And Measurements 2 Atoms, Molecules, And Ions 3 Mass Relations In Chemistry; Stoichiometry 4 Reactions In Aqueous Solution 5 Gases 6 Electronic Structure And The Periodic Table 7 Covalent Bonding 8 Thermochemistry 9 Liquids And Solids 10 Solutions 11 Rate Of Reaction 12 Gaseous Chemical Equilibrium 13 Acids And Bases 14 Equilibria In Acid-base Solutions 15 Complex Ion And Precipitation Equilibria 16 Spontaneity Of Reaction 17 Electrochemistry 18 Nuclear Reactions 19 Complex Ions 20 Chemistry Of The Metals 21 Chemistry Of The Nonmetals 22 Organic Chemistry 23 Organic Polymers, Natural And Synthetic expand_more
Chapter Questions expand_more
Problem 1QAP Problem 2QAP Problem 3QAP: Follow the directions of Question 1 for (a) IO2- (b) SiF4 (c) BrI3 (d) CN- Problem 4QAP: Follow the directions of Question 1 for (a) CIF4- (b) PF6- (c) CNS- (d) SnCl5- Problem 5QAP: Follow the directions of Question 1 for (a) OCl2 (b) PF3 (c) SbCl6- (d) ICl4- Problem 6QAP: Follow the directions of Question 1 for (a) C22- (b) NFO (c) BrF4+ (d) NI3 Problem 7QAP: Oxalic acid, H2C2O4, is a poisonous compound found in rhubarb leaves. Draw the Lewis structure for... Problem 8QAP: Radio astronomers have detected the isoformyl ion, HOC+ in outer space. Write the Lewis structure... Problem 9QAP: Draw Lewis structures for the following species. (The skeleton is indicated by the way the molecule... Problem 10QAP: Follow the directions of Question 9 for the following species: (a) (b) Br2C—CF2 (c) H3C—NH2 Problem 11QAP: Dinitrogen pentoxide, N2O5, when bubbled into water can form nitric acid. Its skeleton structure has... Problem 12QAP: Formic acid is the irritating substance that gets on your skin when an ant bites. Its formula is... Problem 13QAP: Two different molecules have the formula C2H2Cl2. Draw a Lewis structure for each molecule. (All the... Problem 14QAP: Two different molecules have the formula C2H6O. One of the molecules has the oxygen atom bonded to... Problem 15QAP Problem 16QAP Problem 17QAP: Write a Lewis structure for (a) XeF3+ (b) PCl4+ (c) BrF5 (d) HPO42- (no P—H or O—O bonds) Problem 18QAP: Write a Lewis structure for (a) BCl4 (b) ClO- (c) S2O32- (d) NFCl2 Problem 19QAP: Write reasonable Lewis structures for the following species, none of which follow the octet rule.... Problem 20QAP: Write reasonable Lewis structures for the following species, none of which follow the octet rule.... Problem 21QAP Problem 22QAP: Draw resonance structures for (a) SeO3 (b) CS32- (c) CNO- Problem 23QAP Problem 24QAP Problem 25QAP: The skeleton structure for disulfur dinitride, S2N2, is Draw possible resonance forms of this... Problem 26QAP: Borazine, B3N3H6, has the skeleton Draw the resonance forms of the molecule. Problem 27QAP: What is the formal charge on the indicated atom in each of the following species? (a) sulfur in SO2... Problem 28QAP Problem 29QAP: Below are two different Lewis structures for nitrous acid (HNO2). Which is the better Lewis... Problem 30QAP: Below are two different Lewis structures for the thiosulfate ion (S2O32-). Which is the better Lewis... Problem 31QAP: Predict the geometry of the following species: (a) SO2 (b) BeF2 (c) SeCl4 (d) Pcl5 Problem 32QAP: Predict the geometry of the following species: (a) O3 (b) OCl2 (c) SnCl3- (d) CS2 Problem 33QAP: Predict the geometry of the following species: (a) SeOF2 (b) TeF5- (c) ICl4- (d) RnF2 Problem 34QAP: Predict the geometry of the following species: (a) NNO (b) ONCl (c) NH4+ (d) O3 Problem 35QAP: Predict the geometry of the following species: (a) ClF2- (b) SeF5Br (c) SO32- (d) BrO2- Problem 36QAP: Predict the geometry of the following species: (a) ClF5 (b) XeF4 (c) SiF62- (d) Pcl5 Problem 37QAP: Give all the ideal bond angles (109.5, 120, or 180) in the following molecules and ions. (The... Problem 38QAP Problem 39QAP Problem 40QAP: An objectionable component of smog is acetyl peroxide, which has the following skeleton structure.... Problem 41QAP: The uracil molecule is one of the bases in DNA. Estimate the approximate values of the indicated... Problem 42QAP: Niacin is one of the B vitamins (B3). Estimate the approximate values of the indicated bond angles.... Problem 43QAP: Which of the species with octets in Question 31 are dipoles? Problem 44QAP: Which of the species with octets in Question 32 are dipoles? Problem 45QAP: Which of the species with octets in Question 33 are dipoles? Problem 46QAP Problem 47QAP: There are three compounds with the formula C2H2Cl2: and Which of these molecules are polar? Problem 48QAP: There are two different molecules with the formula N2F2: Is either molecule polar? Explain. Problem 49QAP: Give the hybridization of the central atom in each species in Question 31. Problem 50QAP: Give the hybridization of the central atom in each species in Question 32. Problem 51QAP: Give the hybridization of the central atom in each species in Question 33. Problem 52QAP: Give the hybridization of the central atom in each species in Question 34. Problem 53QAP: Give the hybridization of the central atom in each species in Question 35. Problem 54QAP: Give the hybridization of the central atom in each species in Question 36. Problem 55QAP: In each of the following polyatomic ions, the central atom has an expanded octet. Determine the... Problem 56QAP: Follow the directions of Question 55 for the following polyatomic ions. (a) ClF4- (b) GeCl62- (c)... Problem 57QAP: Give the hybridization of each atom (except H) in the solvent dimethylsulfoxide. (Unshared electron... Problem 58QAP: Acrylonitrile, C3H3N is the building mer Orlon. Its Lewis structure is What is the hybridization of... Problem 59QAP: What is the hybridization of nitrogen in Problem 60QAP: What is the hybridization of carbon in Problem 61QAP: Give the hybridization of the central atom (underlined in red). (a) COCl2 (b) HNO2 (c) (CH3)2CHCH3 Problem 62QAP: Give the hybridization of the central atom (underlined in red). (a) HOBrO3 (b) Cl2O (c) OPBr3 Problem 63QAP: Give the number of sigma and pi bonds in the molecule in Question 57. Problem 64QAP: Give the number of sigma and pi bonds in the molecule in Question 58. Problem 65QAP: Give the number of sigma and pi bonds in each species in Question 59. Problem 66QAP: Give the number of sigma and pi bonds in each species in Question 60. Problem 67QAP: In which of the following molecules does the sulfur have an expanded octet? For those that do, write... Problem 68QAP: Consider the pyrosulfate ion, S2O72-. It has no sulfur–sulfur nor oxygen–oxygen bonds. (a) Write... Problem 69QAP: Consider acetyl salicylic acid, better known as aspirin. Its structure is (a) How many sigma and pi... Problem 70QAP: Complete the table on next page. Problem 71QAP: Given the following electro negativities C=2.5N=3.0S=2.6 what is the central atom in CNS-? Problem 72QAP: Based on the concept of formal charge, what is the central atom in (a) HCN (do not include H as a... Problem 73QAP: Describe the geometry of the species in which there are, around the central atom, (a) four single... Problem 74QAP: Consider the following molecules: SiH4, PH3, H2S. In each case, a central atom is surrounded by four... Problem 75QAP Problem 76QAP: In each of the following molecules, a central atom is surrounded by a total of three atoms or... Problem 77QAP Problem 78QAP: A compound of chlorine and fluorine, CIFx, reacts at about 75C with uranium to produce uranium... Problem 79QAP: Draw the Lewis structure and describe the geometry of the hydrazine molecule, N2H4. Would you expect... Problem 80QAP: Consider the polyatomic ion IO65-. How many pairs of electrons are around the central iodine atom?... Problem 81QAP: It is possible to write a simple Lewis structure for the SO42- ion, involving only single bonds,... Problem 82QAP: Phosphoryl chloride, POCl3, has the skeleton structure Write (a) a Lewis structure for POCl3... format_list_bulleted