Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN: 9780618974122
Author: Andrei Straumanis
Publisher: Cengage Learning
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Chapter 2, Problem 5CTQ
(a)
Interpretation Introduction
Interpretation:The reason for the following structure for not being the correct legitimate Lewis structure should be explained.
Concept introduction:A Lewis structure is a diagrammatic view of a molecule, where lone pair of electrons is represented in dots, bonds are represented with lines & formal charge of each atom is mentioned near the atom.
(b)
Interpretation Introduction
Interpretation: An item on the checklist of the legitimate Lewis structure has been violated by the given structure for
Concept introduction: A Lewis structure is a diagrammatic view of a molecule, where lone pair of electrons is represented in dots, bonds are represented with lines & formal charge of each atom is mentioned near the atom.
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Fill in the table. Central atom is listed first. A. Write the number of valence electrons below the formulaB. Draw the Lewis structureC & D. Write the Electron Group Geometry and Molecular Shape NamesE. Write the bond angleF. Write the molecular polarity. "P" for polar and "NP" for nonpolar.
SpeciesValenceElectrons(1 pt.)
LewisStructure(2 pt.)
Electron PairGeometryName(1 pt.)
Molecular ShapeName (1 pts.)
BondAngle (1 pt.)
Molecular Polarity(1 pt.)
PO43-
NOBr
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2-7. For each of the following molecules,
a. Determine the total number of valence electrons in the molecule.
b. Draw the Lewis dot structure.
c. Determine the formal charge of each atom in the molecule.
d. If applicable, choose the most stable resonance structure.
2. CH3*
3. NH3
4. CO3?-
5. XeF4
6. IC14+
7. BrFs
Consider the generic polyatomic ion XY3". Element X is the least electronegative. For neutral
atoms, element X has 7 valence electrons and element Y has 6. The highest occupied principal
energy level of the central atom is greater than 2.
A. How many total valence electrons are in the molecule.
B. Draw a BEST Lewis structure (i.e. a major resonance contributor) for this molecule. Show all
valence electrons on your structure.
C. If you haven't already, add the formal charge of each atom to the structure. Show at least one
sample calculation for formal charge.
D. Outline 4 short bullet points (~several words each) that explain why your structure from part B is
the best one. Hint: think about what makes a valid structure and what makes a best structure.
E. Perform a calculation to determine the average bond order between the X and Y atoms in your
structure from part B. No credit will be given for just a number.
F. Draw one more valid resonance structure other than the one from part B.…
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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