Student Solutions Manual for Zumdahl/Zumdahl/DeCoste?s Chemistry, 10th Edition
10th Edition
ISBN: 9781305957510
Author: ZUMDAHL, Steven S.; Zumdahl, Susan A.; DeCoste, Donald J.
Publisher: Cengage Learning
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Textbook Question
Chapter 9, Problem 41E
Two molecules used in the
Azodicarbonamide
Methyl cyanoracy late
Azodicarbonamide is used in forming polystyrene. When added to the molten plastic, it decomposes to nitrogen, carbon monoxide, and ammonia gases, which are captured as bubbles in the molten polymer. Methyl cyanoacrylate is the main ingredient in super glue. As the glue sets, methyl cyanoacrylate
a. Complete the Lewis structures showing all lone pairs of electrons.
b. Which hybrid orbitals are used by the carbon atoms in each molecule and the nitrogen atom in azodicarbonamide?
c. How many π bonds are present in each molecule?
d. Give approximate values for the bond angles marked a through h in the previous structures.
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H-
H
H
H
H
H
H
Identify and select all structures below that represent a constitutional isomer(s) of the compound shown above.
H-
H
H
H
A.
H
H
H
H-C
CI
H
H
D.
H
H
H
H
H
H
C
C
-H
H
C
C
H
H
H
H
B.
H
CI
H
H-
C
C
H
H
H
H
E.
H
CI
H
C.
Why doesn't this carry on to form a ring by deprotonating the alpha carbon and the negatively-charged carbon attacking the C=O?
6. A solution (0.0004 M) of Fe(S2CNEt2)3 (see the structural drawing below) in chloroform
has absorption bands at:
350 nm (absorbance A = 2.34);
514 nm(absorbance A = 0.0532);
Calculate the molar absorptivity values for these bands. Comment
on their possible nature (charge transfer transitions or d-d
S
N-
transitions?).
(4 points)
Chapter 9 Solutions
Student Solutions Manual for Zumdahl/Zumdahl/DeCoste?s Chemistry, 10th Edition
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