EBK ORGANIC CHEMISTRY
8th Edition
ISBN: 8220102744127
Author: Bruice
Publisher: PEARSON
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Chapter 12, Problem 45P
Interpretation Introduction
Interpretation:
The change in the degree of regioselectivity compared to the ratio of relative rates found in problem 44 has to be given.
Concept introduction:
Radical or free radical: unpaired valence electron of an atom, molecule, or ion is called as radical.
Chlorine radical forms a tertiary radical five times faster than a primary radical and it forms a secondary radical 3.8 times faster than a primary radical.
Relative rates of alkyl radical formation by a chlorine radical at 125 °C.
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The chemical rxn : N2 + O2 ⟶⟶ NO can be described by the following mechanism.
step-1) N2 + 2O2 ⟶⟶ 2NO2 ΔΔH1
step-2) NO + 1212 O2 ⟶⟶ NO2 ΔΔH2
Identify which expression is most consistent with the enthalpy of formation of NO.
The mechanism for the reaction described by
nust. A common
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NO,(g) + CO(g) → CO,(g) + NO(g)
coor
on be c
is suggested to be
(1) 2NO,(g) –→ NO,(g) + NO(g)
k1
->
k2
(2) NO,(g) + CO(g) → NO,(g) + CO,(g)
d[CO2]
k[NO2]?
%3D
The experimental rate law for the production of [CO2] = k1 [NO2J² or
dt
d[NO3]
0 ), is this a valid mechanism? i.e show
Assuming that [NO3] is governed by a steady state (
dt
that using elementary reactions 1 and 2, the experimental rate law can found. (Hint write out all the ways
d[NO3]
= ?
d[C02] = ? )
%3|
and
%3D
dt
that [NO3] and [CO2] are created and destroyed,
dt
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0.00 V
4. 460 V
In a research paper, (Orkin et al., J. Phys. Chem., 1997, 101: 174) rate
constants were determined for the reaction between the hydroxyl radical
and chlorobromomethane:
OH• + CH2BrCI → products
Data that were obtained included the following values of the rate constant k
for the following temperatures:
Т, К
k, cm³/molecule•sec
298
1.11 x 10 13
313
1.34 x 10 13
330
1.58 x 10 13
Determine the E, and the pre-exponential factor.
E =
J/mol
A =
cm3/molecule•sec
Chapter 12 Solutions
EBK ORGANIC CHEMISTRY
Ch. 12.2 - Prob. 1PCh. 12.2 - Write the steps for formation of...Ch. 12.3 - Prob. 3PCh. 12.4 - How many alkyl chlorides are obtained from...Ch. 12.4 - Prob. 6PCh. 12.5 - Prob. 8PCh. 12.5 - a. Would chlorination or bromination produce a...Ch. 12.5 - Show how the following compounds could be prepared...Ch. 12.6 - Prob. 12PCh. 12.7 - Prob. 13P
Ch. 12.7 - Prob. 14PCh. 12.8 - Prob. 15PCh. 12.8 - Draw the stereoisomers of the major...Ch. 12.9 - Prob. 18PCh. 12.9 - How many allylic substituted bromoalkenes are...Ch. 12.9 - a. How many stereoisomers are formed from the...Ch. 12.9 - Prob. 21PCh. 12.9 - Prob. 22PCh. 12.10 - Prob. 23PCh. 12.11 - How many atoms share the unpaired electrons in...Ch. 12.11 - Prob. 25PCh. 12 - Prob. 26PCh. 12 - Prob. 27PCh. 12 - Prob. 28PCh. 12 - Prob. 29PCh. 12 - Prob. 30PCh. 12 - Prob. 31PCh. 12 - Prob. 32PCh. 12 - Prob. 33PCh. 12 - Prob. 34PCh. 12 - Prob. 35PCh. 12 - Prob. 36PCh. 12 - Prob. 37PCh. 12 - a. What five-carbon alkene forms the same product...Ch. 12 - Prob. 39PCh. 12 - Starting with cyclohexane, how could the following...Ch. 12 - a. Propose a mechanism for the following reaction:...Ch. 12 - What stereoisomers are obtained from the following...Ch. 12 - Prob. 43PCh. 12 - Prob. 44PCh. 12 - Prob. 45PCh. 12 - Draw the products of the following reactions,...Ch. 12 - Prob. 47PCh. 12 - Prob. 48PCh. 12 - Prob. 49PCh. 12 - Explain why the rate of bromination of methane...Ch. 12 - Prob. 51PCh. 12 - Prob. 1PCh. 12 - Prob. 2PCh. 12 - Prob. 3PCh. 12 - Prob. 4P
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