ORGANIC CHEMISTRY (LOOSELEAF)
6th Edition
ISBN: 9781260475630
Author: SMITH
Publisher: MCG
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Chapter 18, Problem 66P
Draw a stepwise mechanism f or the following reaction, a key step in the synthesis of the anti-inflammatory drug celecoxib (trade name Celebrex).
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Draw the complete mechanism for the reaction below. Please include appropriate arrows, intermediates, and formal charges.
(c) The following data have been obtained for the hydrolysis of sucrose, C12H22O11, to
glucose, C6H12O6, and fructose C6H12O6, in acidic solution:
C12H22O11 + H2O → C6H12O6 + C6H12O6
[sucrose]/mol dm³
t/min
0
0.316
14
0.300
39
0.274
60
0.256
80
0.238
110
0.211
(i) Graphically prove the order of the reaction and determine the rate constant of the
reaction.
(ii) Determine the half-life, t½ for the hydrolysis of sucrose.
(III) adsorbent
(b) Adsorption of the hexacyanoferrate (III) ion, [Fe(CN)6] ³, on y-Al2O3 from aqueous
solution was examined. The adsorption was modelled using a modified Langmuir
isotherm, yielding the following values of Kat pH = 6.5:
(ii)
T/K
10-10 K
280
2.505
295
1.819
310
1.364
325
1.050
Determine the enthalpy of adsorption, AadsHⓇ.
If the reported value of entropy of adsorption, Aads Se = 146 J K-1 mol-1 under the above
conditions, determine Aads Gº.
Chapter 18 Solutions
ORGANIC CHEMISTRY (LOOSELEAF)
Ch. 18.1 - Rank the following compounds in order of...Ch. 18.1 - Prob. 2PCh. 18.2 - Give the IUPAC name for each aldehyde.Ch. 18.2 - Prob. 4PCh. 18.2 - Give the IUPAC name for each ketone.Ch. 18.5 - Prob. 11PCh. 18.9 - Problem 21.17 Draw the products of the following...Ch. 18.9 - Problem 21.18 Outline a synthesis of each Wittig...Ch. 18.9 - Problem 21.19 Draw the products (including...Ch. 18.9 - Problem 21.20 What starting materials are needed...
Ch. 18.9 - Prob. 19PCh. 18.10 - Problem 21.22 The product formed when reacts with...Ch. 18.10 - Prob. 21PCh. 18.11 - Prob. 22PCh. 18.11 - Prob. 23PCh. 18.11 - Prob. 24PCh. 18.12 - Prob. 25PCh. 18.12 - Problem 21.28 Draw a stepwise mechanism for the...Ch. 18.13 - Problem 21.29 Draw the products of each...Ch. 18 - Problem 21.40 (a) Give the IUPAC name for A and B....Ch. 18 - 21.41 Rank the following compounds in order of...Ch. 18 - Prob. 39PCh. 18 - 21.43 Give the IUPAC name for each compound.
a....Ch. 18 - 21.44 Give the structure corresponding to each...Ch. 18 - Prob. 42PCh. 18 - 21.46 Draw the products of each reaction.
a. e....Ch. 18 - Prob. 44PCh. 18 - 21.48 Draw all stereoisomers formed in each...Ch. 18 - Prob. 54PCh. 18 - Prob. 55PCh. 18 - Prob. 56PCh. 18 - Devise a synthesis of each alkene using a Wittig...Ch. 18 - Prob. 60PCh. 18 - Prob. 62PCh. 18 - Prob. 63PCh. 18 - 21.64 Draw a stepwise mechanism for the following...Ch. 18 - 21.65 Draw a stepwise mechanism f or the following...Ch. 18 - Prob. 67PCh. 18 - 21.67 Draw a stepwise mechanism for each...Ch. 18 - Prob. 69PCh. 18 - Prob. 70P
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- 2. Propose an efficient synthesis for each of the following transformations. Pay careful attention to both the regio and stereochemical outcomes. ¡ H H racemicarrow_forwardZeroth Order Reaction In a certain experiment the decomposition of hydrogen iodide on finely divided gold is zeroth order with respect to HI. 2HI(g) Au H2(g) + 12(9) Rate = -d[HI]/dt k = 2.00x104 mol L-1 s-1 If the experiment has an initial HI concentration of 0.460 mol/L, what is the concentration of HI after 28.0 minutes? 1 pts Submit Answer Tries 0/5 How long will it take for all of the HI to decompose? 1 pts Submit Answer Tries 0/5 What is the rate of formation of H2 16.0 minutes after the reaction is initiated? 1 pts Submit Answer Tries 0/5arrow_forwardangelarodriguezmunoz149@gmail.com Hi i need help with this question i am not sure what the right answers are.arrow_forward
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