Organic Chemistry
4th Edition
ISBN: 9780073402772
Author: Janice G. Smith
Publisher: MCG
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Textbook Question
Chapter 26, Problem 26.28P
What starting material is needed to prepare each compound by a ring-closing metathesis reaction?
a. 
b. 
c. 
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Using reaction free energy to predict equilibrium composition
Consider the following equilibrium:
2NO2 (g) = N2O4(g)
AGº = -5.4 kJ
Now suppose a reaction vessel is filled with 4.53 atm of dinitrogen tetroxide (N2O4) at 279. °C. Answer the following questions about this system:
Under these conditions, will the pressure of N2O4 tend to rise or fall?
Is it possible to reverse this tendency by adding NO2?
In other words, if you said the pressure of N2O4 will tend to rise, can that
be changed to a tendency to fall by adding NO2? Similarly, if you said the
pressure of N2O4 will tend to fall, can that be changed to a tendency to
'2'
rise by adding NO2?
If you said the tendency can be reversed in the second question, calculate
the minimum pressure of NO 2 needed to reverse it.
Round your answer to 2 significant digits.
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rise
☐ x10
fall
yes
no
☐ atm
G
Ar
1
Why do we analyse salt?
Curved arrows are used to illustrate the flow of electrons. Using
the provided starting and product structures, draw the curved
electron-pushing arrows for the following reaction or
mechanistic step(s).
Be sure to account for all bond-breaking and bond-making
steps.
H
H
CH3OH, H+
H
Select to Add Arrows
H°
0:0
'H
+
Q
HH
■ Select to Add Arrows
CH3OH,
H*
H.
H
CH3OH, H+
HH
■ Select to Add Arrows i
Please select a drawing or reagent from the question area
Chapter 26 Solutions
Organic Chemistry
Ch. 26 - Prob. 26.1PCh. 26 - Prob. 26.2PCh. 26 - Synthesize each product from the given starting...Ch. 26 - Prob. 26.4PCh. 26 - Prob. 26.5PCh. 26 - Prob. 26.6PCh. 26 - Prob. 26.7PCh. 26 - Problem 26.8
What starting materials are needed to...Ch. 26 - Prob. 26.9PCh. 26 - Prob. 26.10P
Ch. 26 - Problem 26.11
What product is formed when each...Ch. 26 - Prob. 26.12PCh. 26 - Problem 26.13
Draw the products formed when each...Ch. 26 - Problem 26.14
What products are formed when ...Ch. 26 - Prob. 26.15PCh. 26 -
What product is formed by ring-closing metathesis...Ch. 26 - Problem 26.17
What starting material is needed to...Ch. 26 - 26.18 In addition to organic halides, alkyl...Ch. 26 - 26.19 What product is formed by ring-closing...Ch. 26 - Draw the products formed in each reaction.Ch. 26 - Prob. 26.21PCh. 26 - 26.22 How can you convert ethynylcyclohexane to...Ch. 26 - 26.23 What compound is needed to convert styrene...Ch. 26 - 26.24 What steps are needed to convert to octane...Ch. 26 - Draw the products including stereoisomers formed...Ch. 26 - 26.28 Treatment of cyclohexene with and forms...Ch. 26 - Prob. 26.27PCh. 26 - 26.30 What starting material is needed to prepare...Ch. 26 - Prob. 26.29PCh. 26 - Prob. 26.30PCh. 26 - Prob. 26.31PCh. 26 - Draw the products formed in each reaction. a. f....Ch. 26 - Prob. 26.33PCh. 26 - Draw a stepwise mechanism for the following...Ch. 26 - Sulfur ylides, like the phosphorus ylides of...Ch. 26 - Although diazomethane is often not a useful...Ch. 26 - Prob. 26.37PCh. 26 - Prob. 26.38PCh. 26 - Prob. 26.39PCh. 26 - Prob. 26.40PCh. 26 - 26.43 Devise a synthesis of each compound using a...Ch. 26 - Devise a synthesis of each compound from...Ch. 26 - Devise a synthesis of each compound from benzene....Ch. 26 - Devise a synthesis of each substituted...Ch. 26 - Biaryls, compounds containing two aromatic rings...Ch. 26 - Prob. 26.46PCh. 26 - 26.49 Draw the product formed from the...Ch. 26 - Prob. 26.48PCh. 26 - Devise a synthesis of each of the following...Ch. 26 - Prob. 26.50PCh. 26 - 26.53 The following conversion, carried out in the...Ch. 26 - Prob. 26.52PCh. 26 - 26.55 Dimethyl cyclopropanes can be prepared by...Ch. 26 - Prob. 26.54P
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