PRINCIPLES OF INSTRUMENTAL ANALYSIS
7th Edition
ISBN: 9789353506193
Author: Skoog
Publisher: CENGAGE L
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Question
Chapter A1, Problem A1.7QAP
Interpretation Introduction
Interpretation:
The relative error in the results due to this systematic error if the sample taken for analysis weighed
Concept introduction:
Solubility is the property of the substance by virtue of which a substance is able to dissolve with other substance which can be of the same state or can be in a different state. Solubility loss depends on the properties of the two substances to be mixed including solubility.
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How is the resonance structure formed to make the following reaction product. Please hand draw the arrows showing how the electrons move to the correct position. Do not use an AI answer. Please draw it yourself or don't bother.
Part II Calculate λ max of the following compounds using wood ward- Fiecer rules
a)
b)
c)
d)
e)
OH
OH
dissolved in dioxane
Br
Br
dissolved in methanol.
NH₂
OCH 3
OH
6. Match each of the lettered items in the column on
the left with the most appropriate numbered
item(s) in the column on the right. Some of the
numbered items may be used more than once
and some not at all.
a.
Z = 37
1.
b.
Mn
2.
C.
Pr
element in period 5 and group
14
element in period 5 and group
15
d. S
e. [Rn] 7s¹
f.
d block
metal
3. highest metallic character of all
the elements
4. paramagnetic with 5 unpaired
electrons
5. 4f36s2
6. isoelectronic with Ca²+ cation
7.
an alkaline metal
8. an f-block element
Chapter A1 Solutions
PRINCIPLES OF INSTRUMENTAL ANALYSIS
Ch. A1 - Prob. A1.1QAPCh. A1 - Prob. A1.2QAPCh. A1 - Prob. A1.3QAPCh. A1 - Prob. A1.4QAPCh. A1 - Prob. A1.5QAPCh. A1 - Prob. A1.6QAPCh. A1 - Prob. A1.7QAPCh. A1 - Prob. A1.8QAPCh. A1 - Prob. A1.9QAPCh. A1 - Prob. A1.10QAP
Ch. A1 - Prob. A1.11QAPCh. A1 - Prob. A1.12QAPCh. A1 - Prob. A1.13QAPCh. A1 - Prob. A1.14QAPCh. A1 - Prob. A1.15QAPCh. A1 - Prob. A1.16QAPCh. A1 - Prob. A1.17QAPCh. A1 - Prob. A1.18QAPCh. A1 - Prob. A1.19QAPCh. A1 - Prob. A1.20QAPCh. A1 - Prob. A1.21QAPCh. A1 - Prob. A1.22QAPCh. A1 - Prob. A1.23QAPCh. A1 - Prob. A1.24QAP
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- Draw all formal charges on the structures below as is and draw 1 resonance structure that is more stable.arrow_forwardPart II. xiao isolated a compound TAD (Ca H 10 N₂) from tobacco and obtained its IR spectrum. Xiao proposed a chemical structure shown below: % Transmittance 4000 3500 3000 2500 2000 Wavenumber (cm-1) 1500 1000 (a) Explain why her proposed structure is inconsistent with the IR spectrum obtained (b) TAD exists as a tautomer of the structure xiao proposed. Draw the structure and explain why it is more compatible with the obtained spectrum. (C) what is the possible source for the fairly intense signal at 1621cm1arrow_forwardAE>AE₁ (Y/N) AE=AE₁ (Y/N) AEarrow_forwardTreatment of 2-phenylpropan-2-amine with methyl 2,4-dibromobutanoate in the presence of a nonnucleophilic base, R3N, involves two successive SN2 reactions and gives compound A. ? NH2 Br Br Propose a structural formula for compound A. You do not have to explicitly draw H atoms. You do not have to consider stereochemistry. In cases where there is more than one answer, just draw one. R3N C14H19NO2 + 2 R3NH*Br Aarrow_forwardCorrectly name this compound using the IUPAC naming system by sorting the components into the correct order. Br IN Ν Harrow_forwardHow is the radical intermediate for this structure formed? Can you please draw arrows from the first radical to the resonance form that would result in this product? I'm lost.arrow_forwardPart VI. (a) calculate the λ max of the compound using woodward - Fieser rules. (b) what types of electronic transitions are present in the compound? (c) what are the prominent peaks in the IR spectrum of the compound?arrow_forwardDon't used Ai solutionarrow_forwardPlease correct answer and don't used hand raitingarrow_forward↑ 0 Quiz List - RCC430M_RU05 X Aktiv Learning App × Qdraw resonance structure ×Q draw resonance structure xb My Questions | bartleby ×+ https://app.aktiv.com Draw a resonance structure of pyrrole that has the same number of pi bonds as the original structure. Include all lone pairs in your structure. + N H a 5 19°F Cloudy Q Search Problem 12 of 15 Atoms, Bonds and Rings Charges and Lone Pairs myhp हजु Undo Reset Remove Done Submit Drag To Pan 2:15 PM 1/25/2025arrow_forwardDon't used hand raitingarrow_forwardDon't used hand raiting and don't used Ai solutionarrow_forwardarrow_back_iosSEE MORE QUESTIONSarrow_forward_ios
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