Principles of Instrumental Analysis, 6th Edition
6th Edition
ISBN: 9788131525579
Author: Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher: Cenage Learning
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Chapter 23, Problem 23.2QAP
Interpretation Introduction
Interpretation:
The sources of the alkaline and acid errors in the measurement of pH with a glass electrode should be stated.
Concept introduction:
Glass electrode consists of a glass bulb that contains a solution of hydrochloric acid with a fixed concentration. It is a type of ion selective electrode. It measures the pH of the solution.
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Part IV. Propose a plausible Structure w/ the following descriptions:
a) A 5-carbon hydrocarbon w/ a single peak in its proton decoupled
the DEPT-135 Spectrum shows a negative peak
C-NMR spectrum where
b) what cyclohexane dione isomer gives the largest no. Of 13C NMR signals?
c) C5H120 (5-carbon alcohol) w/ most deshielded carbon absent in any of its DEPT Spectiva
13C NMR is good for:
a) determining the molecular weight of
the compound
b) identifying certain functional groups.
c) determining the carbon skeleton, for
example methyl vs ethyl vs propyl groups
d) determining how many different kinds
of carbon are in the molecule
6
D
2. (1 pt) Limonene can be isolated by performing steam distillation of orange peel.
Could you have performed this experiment using hexane instead of water? Explain.
3. (2 pts) Using GCMS results, analyze and discuss the purity of the Limonene obtained
from the steam distillation of orange peel.
Chapter 23 Solutions
Principles of Instrumental Analysis, 6th Edition
Ch. 23 - Prob. 23.1QAPCh. 23 - Prob. 23.2QAPCh. 23 - Prob. 23.3QAPCh. 23 - Prob. 23.4QAPCh. 23 - Prob. 23.5QAPCh. 23 - Prob. 23.6QAPCh. 23 - Prob. 23.7QAPCh. 23 - Prob. 23.8QAPCh. 23 - Prob. 23.9QAPCh. 23 - List the advantages and disadvantages of a...
Ch. 23 - Prob. 23.11QAPCh. 23 - What arc the advantages of microfabricated ISEs?...Ch. 23 - Prob. 23.13QAPCh. 23 - Prob. 23.14QAPCh. 23 - Prob. 23.15QAPCh. 23 - The following cell was used for the determination...Ch. 23 - The following cell was used to determine the pSO4...Ch. 23 - The formation constant for the mercury(II) acetate...Ch. 23 - Prob. 23.19QAPCh. 23 - The cell Ag|AgCl(sat’d)||H+(a = x)|glass electrode...Ch. 23 - The following cell was found to have a potential...Ch. 23 - The following cell was found to have a potential...Ch. 23 - The following cell was found to have a potential...Ch. 23 - Prob. 23.24QAPCh. 23 - Prob. 23.25QAPCh. 23 - Prob. 23.26QAPCh. 23 - Prob. 23.27QAP
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