PRINCIPLES OF INSTRUMENTAL ANALYSIS
7th Edition
ISBN: 9789353506193
Author: Skoog
Publisher: CENGAGE L
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Chapter 34, Problem 34.4QAP
Interpretation Introduction
Interpretation:
The dealing of non-spherical particle with particle size analysis is to be described.
Concept introduction:In material science, particle size is considered as one of the most significant parameters and the size of the particle is needed in many experiments such as sedimentation methods, laser diffraction, microscopic image analysis, dynamic light scattering, optical particle counting, electro zone sensing, etc.
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Q2: Ranking Acidity
a) Rank the labeled protons in the following molecule in order of increasing pKa. Briefly
explain the ranking. Use Table 2.2 as reference.
Ha
Нь
HC
H-N
Ha
OHe
b) Atenolol is a drug used to treat high blood pressure. Which of the indicated N-H bonds is
more acidic? Explain. (Hint: use resonance structures to help)
Name the functional groups on atenolol.
H
H-N
atenolol
Ν
H-N
OH Н
Answer d, e, and f
If the rotational constant of a molecule is B = 120 cm-1, it can be stated that the transition from 2←1:a) gives rise to a line at 120 cm-1b) is a forbidden transitionc) gives rise to a line at 240 cm-1d) gives rise to a line at 480 cm-1
Chapter 34 Solutions
PRINCIPLES OF INSTRUMENTAL ANALYSIS
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