CHEMISTRY THE CENTRAL SCIENCE >EBOOK<
14th Edition
ISBN: 9780136873891
Author: Brown
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 9, Problem 39E
a. (a) Is the molecule BF3 polar or nonpolar?
b. (b) If you react BF3 to make the ion BF32- , is this ion planar?
c. Does the molecule BF2Cl have a dipole moment?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
2. Consider the following molecules or ions: CIOF5, NOBr, NH2F, and XeO2F3+. Answer the following questions based on
the Lewis structures and VSEPR theory prediction of their molecular shapes.
(a) Which one has only bond angles of 109.5°?
(b) Which one has only bond angles of 120°?
(c) Which one has bond angles of 90 and 180°?
(d) Which one has bond angles of 90, 120, and 180°?
(b) The Murchison meteorite that landed in Australia in 1969 contained 92 different amino acids, including 21 found in Earth organism A
skeleton structure (single bond only) of one of these extraterrestrial amino acids is shown below. Draw a Lewis structure, and identify any
atoms having a nonzero formal charge.
H3N.
C
ČH2
ČH3
(c) Draw the orbital diagrams and Lewis symbols to depict the formation of Na* and CI ions from the atoms. Give the formula of the
compound formed.
(d) The predicted bond length for HF is 109 pm (the sum of the covalent radii of H, 37 pm and F, 72 pm), however the actual bond length
for HF is shorter (92 pm). It was observed that the difference between predicted and actual bond lengths becomes smaller
going down the halogen group from HF to HI Describe these observations
1. For each molecular geometry, give the number of total electron pairs, the number of
bonding pairs and the number of lone pairs on the central atom.
(a)
(b)
(c)
2. For the following species provide the Lewis structure and make a 3D sketch showing
estimated bond angles. Determine the polarity of each molecular and draw the
dipole.
a) SF4
b) KrF4
3. Determine the 3D structure of the molecule of formula C2H4O (H3CCHO). Indicate
the geometry around each "central" atom and estimate bond angles.
Representing Molecular Geometries on Paper
X-A-X
XX
Linear
Trigonal planar
Bent
Tetrahedral
Trigonal pyramidal
Trigonal bipyramidal
Seesaw
Octahedral
Square planar
Chapter 9 Solutions
CHEMISTRY THE CENTRAL SCIENCE >EBOOK<
Ch. 9.2 - Consider the following AB3 molecules and ions-...Ch. 9.2 - Prob. 9.1.2PECh. 9.2 - Prob. 9.2.1PECh. 9.2 - Prob. 9.2.2PECh. 9.2 - Prob. 9.3.1PECh. 9.2 - Prob. 9.3.2PECh. 9.3 - Prob. 9.4.1PECh. 9.3 - Determine whether the following molecules are...Ch. 9.5 - Prob. 9.5.1PECh. 9.5 - Prob. 9.5.2PE
Ch. 9.6 - Prob. 9.6.1PECh. 9.6 - Prob. 9.6.2PECh. 9.6 - Prob. 9.7.1PECh. 9.6 - Prob. 9.7.2PECh. 9.7 - Prob. 9.8.1PECh. 9.7 - Prob. 9.8.2PECh. 9.8 - Prob. 9.9.1PECh. 9.8 - Prob. 9.9.2PECh. 9 - Prob. 1DECh. 9 - 9.1 A certain AB4, molecule has a "seesaw" shape...Ch. 9 - Prob. 2ECh. 9 - Prob. 3ECh. 9 - Prob. 4ECh. 9 - Prob. 5ECh. 9 - Prob. 6ECh. 9 - In the hydrocarbon a. What is the hybridization at...Ch. 9 - The drawing below shows the overlap of two hybrid...Ch. 9 - Prob. 9ECh. 9 -
9.10 The following is part of a molecular...Ch. 9 - Prob. 11ECh. 9 - Prob. 12ECh. 9 -
9.13
a. An AB2 molecule is linear. How...Ch. 9 - a. Methane (CH4) and the perchlorate ion (C104-)...Ch. 9 - Prob. 15ECh. 9 - Prob. 16ECh. 9 - Prob. 17ECh. 9 - Prob. 18ECh. 9 - In which of these molecules or ions does the...Ch. 9 - Prob. 20ECh. 9 - How many nonbonding electron pairs are there in...Ch. 9 - Prob. 22ECh. 9 - Prob. 23ECh. 9 - Prob. 24ECh. 9 - Give the electron-domain and molecular geometries...Ch. 9 - Prob. 26ECh. 9 - Prob. 27ECh. 9 - Prob. 28ECh. 9 - Prob. 29ECh. 9 - Prob. 30ECh. 9 - Ammonia, NH3 reacts with incredibly strong bases...Ch. 9 - In which of the following AFn molecules or ions is...Ch. 9 - a. Explain why BrF4 is square planar, whereas...Ch. 9 -
9.34 Name the proper three-dimensional molecule...Ch. 9 - Prob. 35ECh. 9 - Prob. 36ECh. 9 - Prob. 37ECh. 9 - Prob. 38ECh. 9 - a. (a) Is the molecule BF3 polar or nonpolar? b....Ch. 9 - Prob. 40ECh. 9 - Predict whether each of the following molecules is...Ch. 9 - Prob. 42ECh. 9 - Prob. 43ECh. 9 - Prob. 44ECh. 9 - For each statement, irldicate whether it is true...Ch. 9 - Draw sketches illustrating the overlap between the...Ch. 9 - For each statement, indicate whether it is true or...Ch. 9 - Prob. 48ECh. 9 - Prob. 49ECh. 9 - Consider the SC12 molecule. a. What IS the...Ch. 9 - Indicate the hybridization of the central atom in...Ch. 9 - Prob. 52ECh. 9 - Prob. 53ECh. 9 - Prob. 54ECh. 9 - Prob. 55ECh. 9 - Prob. 56ECh. 9 - a. Draw Lewis structures for ethane (C2He),...Ch. 9 - a. Draw Lewis structures for ethane (C2He),...Ch. 9 - Prob. 59ECh. 9 - Ethyl acetate. C4H802, is a fragrant substance...Ch. 9 - Prob. 61ECh. 9 - Prob. 62ECh. 9 - Prob. 63ECh. 9 - Prob. 64ECh. 9 - In the formate ion, HC02- , the carbon atom is the...Ch. 9 - Prob. 66ECh. 9 - Prob. 67ECh. 9 - Prob. 68ECh. 9 - Prob. 69ECh. 9 - a. If you combine two atomic orbitals on two...Ch. 9 - Prob. 71ECh. 9 - Prob. 72ECh. 9 - Prob. 73ECh. 9 - Indicate whether each statement is true or false....Ch. 9 - Prob. 75ECh. 9 - Prob. 76ECh. 9 - Prob. 77ECh. 9 - Prob. 78ECh. 9 - Prob. 79ECh. 9 - Prob. 80ECh. 9 - Determine the electron configurations for CN+, CN,...Ch. 9 - Prob. 82ECh. 9 - Consider the molecular orbitals of the P2...Ch. 9 - The iodine bromide molecule, IBr, is an...Ch. 9 - Prob. 85AECh. 9 - Prob. 86AECh. 9 - Consider the following XF4 ions: PF4, BrF4-,...Ch. 9 -
9.88 Consider the molecule PF4Cl....Ch. 9 - Prob. 89AECh. 9 - Fill in the blank spaces in the following chart....Ch. 9 - Prob. 91AECh. 9 - Prob. 92AECh. 9 - Prob. 93AECh. 9 - Prob. 94AECh. 9 - Prob. 95AECh. 9 - Prob. 96AECh. 9 - Prob. 97AECh. 9 - Prob. 98AECh. 9 - Prob. 99AECh. 9 - Prob. 100AECh. 9 - In ozone, 03, the two oxygen atoms on the ends Of...Ch. 9 - Butadiene, C4H6, is a planar molecule that has the...Ch. 9 - The structure of borazine, B3N3H6, is a...Ch. 9 - Prob. 104AECh. 9 - Prob. 105AECh. 9 - Prob. 106AECh. 9 - Prob. 107AECh. 9 - Prob. 108AECh. 9 - Azo dyes are organic dyes that are used for many...Ch. 9 - a. Using only the valence atomic orbitals of a...Ch. 9 - Carbon monoxide, CO, is isoelectronic to N2. a....Ch. 9 - The energy-level diagram in Figure 9.36 shows that...Ch. 9 - A compound composed of 2.1 29.8%N, and 68.1%O has...Ch. 9 -
9.114 Sulfur tetrafluoride (SR4) reacts slowly...Ch. 9 - Prob. 115IECh. 9 - The molecule 2-butene, C4Hs, can undergo a...Ch. 9 - Prob. 117IECh. 9 - Use average bond enthalpies (Table 8.3 ) to...Ch. 9 - Prob. 119IECh. 9 - Prob. 120IECh. 9 - Prob. 121IECh. 9 - Prob. 122IE
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- Given the bonds C N, C H, C Br, and S O, (a) which atom in each is the more electronegative? (b) which of these bonds is the most polar?arrow_forward10. Each ball-and-stick model below shows the electron-pair and molecular geometry of a generic molecule. Explain what is wrong with each molecular geometry and provide the correct molecular geometry based on the number of lone and bonding pairs around the central atom. (a) (b) (c) 11. Draw the Lewis structure for acetamide (CH3CONH2) and determine the geometry about each interior atom. Experiments show that the geometry about the N atom in acetamide is nearly planar. Draw a resonance structure that can account for the planar geometry about the N atom.arrow_forward#90arrow_forward
- 3. (a) Draw a resonance structure for Molecule 1 in Box B, which satisfies the octet for all non- hydrogen atoms. Hint you may want to use curved arrows to move electrons over the skeleton of Molecule 3 to help you find the resonance structure. H H H H Molecule 1 H H 3. (b) Fill in the table below for Molecule 1 Box B: Resonance Structure of Molecule 1 VSEPR electron pair geometry around atom Molecular geometry Approximate bond or shape around atom angles around atom N atom CH3 C atom CH C atoms 3. (c) Given the information that resonating electrons are delocalized and so are not used to determine VSEPR geometry, how will the table you filled in for 3.(b) change?arrow_forward2. Consider the following molecules or ions: H2O, SF4, IF4", and COF2. Answer the following questions based on the Lewis structures and VSEPR theory prediction of their molecular shapes. (a) Which one has only bond angles of 109.5°? (b) Which one has only bond angles of 120°? (c) Which one has bond angles of 90 and 180°? (d) Which one has bond angles of 90, 120, and 180°?arrow_forwardiii. Vinyl chloride is the starting material for the production of poly(vinyl chloride), abbreviated PVC. Its recycling code is "V". The major use of PVC is for tubing in residential and commercial construction. H Cl H H Vinyl chloride (a) Complete the Lewis structure for vinyl chloride by showing all unshared pairs of electrons. (b) Predict the H-C-H, H-C-C and Cl-C-H, bond angles in this molecule. (c) Does vinyl chloride have polar bonds? (d) Is it a polar molecule? (e) Does it have a dipole? iv. Diazene (N,H,) and hydrazine (NH,NH,) are reactive nitrogen compounds. Use the hybrid orbitals theory to compare the bonding in these two molecules, and describe the differences in their molecular structures. v. Which molecules in the following figure show an increase in bond order when one electron is added to the molecule? (Hint: Use the molecular orbitals theory.) Liz Bez B3 C2 N2 O2 Nez vi. Use the molecular orbitals theory to decide whether NF would be stabilized or destabilized by…arrow_forward
- Draw the shapes of the following molecules and ions in 3-dimension. Show clearly any lone pairs of electrons on the central atom, state the number of bond pairs and lone pairs of electrons on the central atom and name the shape of the molecule or ion. (a) SiCI4, silicon tetrachloride (b) PBr3, phosphorus tribromide (c) CI2O, dichlorine oxide Provide everything stated in the instructions for each compound.arrow_forwardThe two compounds nitrogen dioxide and dinitrogentetraoxide are introduced in Section 3.13.(a) NO2 is an odd-electron compound. Draw the bestLewis diagrams possible for it, recognizing that oneatom cannot achieve an octet configuration. Use formal charges to decide whether that should be the(central) nitrogen atom or one of the oxygen atoms.(b) Draw resonance forms for N2O4 that obey the octetrule. The two N atoms are bonded in this molecule.arrow_forward3) Determine whether CH3CI is polar. To do this, you must: draw the 3D structure of the molecule, use arrows to indicate polar bonds, and either use an arrow to indicate the net dipole moment or state that the molecule is non-polar.arrow_forward
- Consider the theoretical molecule KrCl3‾. (a) Draw a valid Lewis structure for KrCl3‾. Show all lone pairs and use lines for bonds. Label all non-zeroformal charges on individual atoms and show the overall charge, if it exists, using square brackets.(b) What would you expect to be the molecular geometry for this ion? Fully explain your thought process,including all details about how successive lone pairs should be positioned within this electron geometry.(c) Draw this ion in 3-D, using hashed and wedged bonds as appropriate. Do not worry about labeling the overall or formal charge.arrow_forward2. Below are drawn four possible isomers (partial Lewis structures with different atomic connectivity) for an anion with the molecular formula C₂H4NO. 10 A B D "TOTT" raptor H H -0- (a) First, add enough electrons as either lone pairs or r bonds to give an overall negative charge. Show all lone pairs in each completed Lewis structure, and show any atomic formal charges that result. (b) Then, for each isomer, consider if other resonance structures can contribute. Since this is an anion, look for a strong electron donor with an adjacent electron acceptor. For each additional resonance structure you draw (some isomers may have more than one additional RS, some may have none), circle the electron pairs in the original Lewis structure which have moved, and draw a curved arrow depicting the motion required to create the new RS. If you have colored pens, color coding your electrons pairs is nice (but not required).arrow_forward1.) What is the Lewis structure for the methylthiolate anion, CH3S-. Carbon is the central atom. Show any nonzero formal charges. 2.) Proteins are large molecules that affect almost every function of the human body. Proteins are composed of smaller building blocks called amino acids. The simplest amino acid is glycine. When dissolved in water, two atoms in a glycine molecule have a formal charge. In the lewis structure of glycine C2H5NO2 all bonds are drawn (image is provided), but the unbonded valence electrons (lone pairs) are missing. Copy the structure and draw the missing valence electrons (lone pairs). Locate the 2 atoms that have a nonzero formal charge. Calculate the charge at these sites.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Chemistry: Principles and PracticeChemistryISBN:9780534420123Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward MercerPublisher:Cengage Learning
Chemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage Learning
Chemistry: Principles and Practice
Chemistry
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Cengage Learning
Chemistry: The Molecular Science
Chemistry
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:Cengage Learning
Stoichiometry - Chemistry for Massive Creatures: Crash Course Chemistry #6; Author: Crash Course;https://www.youtube.com/watch?v=UL1jmJaUkaQ;License: Standard YouTube License, CC-BY
Bonding (Ionic, Covalent & Metallic) - GCSE Chemistry; Author: Science Shorts;https://www.youtube.com/watch?v=p9MA6Od-zBA;License: Standard YouTube License, CC-BY
General Chemistry 1A. Lecture 12. Two Theories of Bonding.; Author: UCI Open;https://www.youtube.com/watch?v=dLTlL9Z1bh0;License: CC-BY