Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN: 9780618974122
Author: Andrei Straumanis
Publisher: Cengage Learning
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Chapter 2, Problem 4CTQ
Interpretation Introduction
Interpretation : A Lewis structure for neutral stable molecule formed by combination of one carbon atom and few numbers of F atoms needs to be determined.
Concept Introduction : A legitimate Lewis structure is an electron dot and line bond representation in which the total number of valence electrons is indicated. Number of valence electrons around hydrogen is two. Number of valence electrons around carbon, nitrogen, oxygen, fluorine atom is eight. This is called the octet rule.
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Which of these best descibe formal charge?
Select all that apply.
The difference between the number of electrons around an atom in the free state and the number of electrons assigned to the atom in the Lewis structure an atom in a
chemical compound.
O The formal charge of each atom is calculated by subtracting the number of valence electrons in the neutral atomfrom the number of electrons assigned to the atom.
O Can be used to help determine the most reasonable distribution of electrons in a molecule or ion.
O The charge that an atom in a molecule or ion would have if all atoms had the same electronegativity.
Describe the difference between a full Lewis structure and bond-line notation. What changes? Why is it easier to write?Dont
If given H2, CH4, CH3 CH3, NH3 and H2O in which one of the following pre dominantly covalent molecule is the departure from equal sharing of the bonding electrons greatest and why?
Chapter 2 Solutions
Organic Chemistry: A Guided Inquiry
Ch. 2 - Prob. 1CTQCh. 2 - The valence shell of an atom in a legitimate Lewis...Ch. 2 - Prob. 3CTQCh. 2 - Prob. 4CTQCh. 2 - Prob. 5CTQCh. 2 - It is impossible to draw a legitimate Lewis...Ch. 2 - Describe how to calculate the total number of...Ch. 2 - Prob. 8CTQCh. 2 - Prob. 9CTQCh. 2 - Prob. 10CTQ
Ch. 2 - Prob. 11CTQCh. 2 - Prob. 12CTQCh. 2 - A complete Lewis structure must show all nonzero...Ch. 2 - Prob. 14CTQCh. 2 - Prob. 15CTQCh. 2 - Prob. 16CTQCh. 2 - Prob. 17CTQCh. 2 - Prob. 18CTQCh. 2 - Complete the rest of the table for N, O or X by...Ch. 2 - Prob. 20CTQCh. 2 - Prob. 21CTQCh. 2 - Make a checklist that can be used to determine if...Ch. 2 - Prob. 2ECh. 2 - Prob. 3ECh. 2 - Draw the Lewis structure of a neutral molecule...Ch. 2 - Prob. 5ECh. 2 - For each element, predict (and draw a Lewis...Ch. 2 - Predict which of the following species is least...Ch. 2 - The molecules BH3 and SF6 and the ion SO42 exist...Ch. 2 - These are NOTlegitimate Lewisstructures (and...Ch. 2 - Fill in missing formal charges where needed (all...Ch. 2 - Below each structure in the previous question is a...Ch. 2 - Prob. 12ECh. 2 - Carbon monoxide (CO) is an example of an overall...Ch. 2 - Explain why this Lewis structure for CO is not as...Ch. 2 - Prob. 15ECh. 2 - Prob. 16ECh. 2 - Prob. 17ECh. 2 - Prob. 18ECh. 2 - Prob. 19E
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- In the Lewis structure for chloromethane, the chlorine atom is sharing _____ electron pair and “owns” _____ of those electrons. Also, the chlorine atom possesses two electrons from each of _____ unshared pairs. The total number of electrons that belong to chlorine is 7 . Chlorine is a Group ____ element. The formal charge on chlorine in chloromethane is ____.arrow_forwardWhich of the following Lewis dot structures is a valid Lewis structure? H +YF H H-P None of these : Si= CI are H- H. plausible/valid. H. :F: Harrow_forwardDraw the Lewis structures for the following four molecules, being sure to show all steps following the methods covered in class. Structures without work shown will be marked incorrect. Also, one of these molecules has resonance structures – for this compound, make sure to include all resonance structures, indicate formal charges for each atom. SO2 OF2 IF3 NH4+ Consider a molecule where the central atom has one lone pair of electrons and is double-bonded to two other atoms (of a different element). Draw a general diagram of the molecule. Is this molecule likely a polar or nonpolar molecule? Briefly explain your reasoning, using words and the diagram.arrow_forward
- Some of the figures below represent invalid sets of resonance structures for this molecule.arrow_forwardWhat is the formal charge of the nitrogen in the following molecule?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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- What are four resonance structures of this molecule and which ones are major and minorarrow_forwardCarbonic acid is a diprotic oxyacid with the molecular formula H2CO3. b) Draw the Lewis structure for the ion that results from the removal of the first protonfrom carbonic acid. Include all resonance structuresarrow_forwardA classmate of yours is convinced that he knows everythingabout electronegativity. (a) In the case of atoms X and Y havingdifferent electronegativities, he says, the diatomic moleculeX¬Y must be polar. Is your classmate correct? (b) Yourclassmate says that the farther the two atoms are apart in abond, the larger the dipole moment will be. Is your classmatecorrect?arrow_forward
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