ORGANIC CHEMISTRY (LL)-W/SOLN.>CUSTOM<
10th Edition
ISBN: 9781259972348
Author: Carey
Publisher: MCG CUSTOM
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Question
Chapter 26, Problem 44P
Interpretation Introduction
Interpretation:
(a) The mechanism using curved arrows to show the flow of electrons is to be suggested for the given cyclization reaction.
(b) A stepwise mechanism is to be written for the hydrolysis of the conjugate acid of the iminolactone to corresponding lactone that cleaves the peptide chain.
Concept Introduction:
Cyanogen bromide adds to the sulfur atom of the methionine residue forming a sulfonium ion.
The sulfonium ion cyclizes to form an iminolactone.
Iminolactone undergoes hydrolysis, cleaving the bond between nitrogen and the ring carbon. This results in the peptide chain being cleaved between carbonyl of the methionine residue and the next amino acid.
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3. Two solutions are prepared using the same solute:
Solution A: 0.14 g of the solute dissolves in 15.4 g of t-butanol
Solution B: 0.17 g of the solute dissolves in 12.7 g of cyclohexane
Which solution has the greatest freezing point change? Show calculations and explain.
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1. This experiment is more about understanding the colligative properties of a solution rather than the determination of
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a. Define colligative properties.
b. Which of the following solutes has the greatest effect on the colligative properties for a given mass of pure water?
Explain.
(i) 0.01 mol of CaCl2
(ii) 0.01 mol of KNO3
(iii) 0.01 mol of CO(NH2)2
(an electrolyte)
(an electrolyte)
(a nonelectrolyte)
Chapter 26 Solutions
ORGANIC CHEMISTRY (LL)-W/SOLN.>CUSTOM<
Ch. 26.1 - Prob. 1PCh. 26.2 - Prob. 2PCh. 26.2 - Prob. 3PCh. 26.3 - Prob. 4PCh. 26.3 - Prob. 5PCh. 26.4 - Prob. 6PCh. 26.4 - Prob. 7PCh. 26.4 - Prob. 8PCh. 26.5 - Prob. 9PCh. 26.6 - Prob. 10P
Ch. 26.6 - Prob. 11PCh. 26.6 - Prob. 12PCh. 26.7 - Prob. 13PCh. 26.7 - Prob. 14PCh. 26.7 - Prob. 15PCh. 26.7 - Prob. 16PCh. 26.7 - Prob. 17PCh. 26.9 - Prob. 18PCh. 26.10 - Digestion of the tetrapeptide of Problem 26.18...Ch. 26.12 - Prob. 20PCh. 26.12 - Prob. 21PCh. 26.15 - Prob. 22PCh. 26.15 - Prob. 23PCh. 26.16 - Prob. 24PCh. 26.17 - Prob. 25PCh. 26.18 - Prob. 26PCh. 26 - Prob. 27PCh. 26 - Prob. 28PCh. 26 - Prob. 29PCh. 26 - Prob. 30PCh. 26 - Prob. 31PCh. 26 - Prob. 32PCh. 26 - Prob. 33PCh. 26 - Prob. 34PCh. 26 - Prob. 35PCh. 26 - Prob. 36PCh. 26 - Prob. 37PCh. 26 - Prob. 38PCh. 26 - Prob. 39PCh. 26 - Prob. 40PCh. 26 - If you synthesized the tripeptide Leu-Phe-Ser from...Ch. 26 - Prob. 42PCh. 26 - Prob. 43PCh. 26 - Prob. 44PCh. 26 - Prob. 45DSPCh. 26 - Prob. 46DSPCh. 26 - Prob. 47DSPCh. 26 - Prob. 48DSPCh. 26 - Prob. 49DSPCh. 26 - Prob. 50DSP
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