ORGANIC CHEMISTRY, WITH SOL. MAN/ STUDY
3rd Edition
ISBN: 9781119477617
Author: Klein
Publisher: WILEY
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Question
Chapter 2, Problem 34PP
Interpretation Introduction
Interpretation:
All carbon atoms, hydrogen atoms and lone pairs can be drawn for the given bond-line structured compounds.
Concept introduction:
The representation of each atom with their symbol in a bond-line structure of a compound is called as the structural formula of that compound. In bond-line structure each corner represent the carbon atom which in bonded with hydrogen atoms. The number of hydrogen depends upon the number of atoms attached to that particular carbon, because the covalence of carbon should be four. The lone-pairs of the compound are the non-bonding valence electrons of hetero atoms occupied in the compound. It can be calculated by the formula,
Then the lone pairs are represented as dots on its heteroatoms in structural formula.
To draw: the all carbon atoms, hydrogen atoms and lone pairs for given compounds can be do with looking upon the corners of bond-line structure and attached heteroatoms.
Expert Solution & Answer
Answer to Problem 34PP
The structural formula of the following given compounds are
Explanation of Solution
To draw all carbon atoms for given bond-line structures of compounds.
Put a carbon atom ‘C’ to each corner in bond-line structure.
In bond-line structure, every corner represents the carbon atoms. Hence, all corners are replaced with the carbon symbol ‘C’.
To draw hydrogen atoms for given bond-line structure of compounds.
Count the adjacent atoms of carbon whether it is carbon or heteroatoms and if it is less than four we have to add hydrogen atoms in that carbon to make four as covalence.
To draw lone pairs for compound structures.
In all given compounds the lone pairs of electron are carried by heteroatoms attached to the carbon. Hence, identify the heteroatoms presented in the compound and count its bond pairs of electrons. Because Lone pairs of electron are the non-bonding pairs of electrons. The numbers of lone pairs of electron are calculated by the formula,
These lone pairs are represented by dots on the atoms in structural formula.
Conclusion
The structural formula of given bond-line structured compounds are drawn by representing the all atoms presented in that compound and the number of lone pairs of electron are calculated by above equation.
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Students have asked these similar questions
Part VII. The H-NMR of a compound with molecular formula C5 H 10 O2 is given below.
Find the following:
(a) The no. of protons corresponding to each signal in the spectra
(6) Give the structure of the compound and assign the signals to each
proton in the compound.
a
70.2
Integration Values
C5H10O2
b
47.7
C
46.5
d
69.5
3.6 3.5
3.4 3.3 3.2 3.1 3.0
2.9 2.8
2.7
2.6 2.5
2.4 2.3 2.2 2.1 2.0
Chemical Shift (ppm)
1.9
1.8
1.7 1.6
1.5
1.4 1.3 1.2
1.1 1.0
0.9 0.8
Part 111. 1 H-NMR spectrum of a compound with integration values in red is given below.
Answer the following:
(a) write the signals in the 'H-NMR spectrum to the corresponding protons on the structure
of the molecule below.
(b) Identify the theoretical multiplicities for each proton in the compound. Also give the possible.
complex splitting patterns assuming J values are not similar.
там
Br
22
2
3
6
4 7.2 7.0 6.8 6.6 6.4 6.2 6.0 5.8 5.6 5.4 5.2 5.0 4.8 4.6 4.4 4.2 4.0 3.8 3.6 3.4 3.2 3.0 2.8 2.6 2.4 2.2 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0
Chemical Shift (ppm)
ra.
Br
2
3
6
6
2.5
2.4
2.3
2.2
2.1
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
Chemical Shift (ppm)
2
2
Br
7.3
7.2
7.1
7.0 6.9
6.7 6.6 6.5
6.4
6.3
6.2
6.1
6.0
Chemical Shift (ppm)
5.9
5.8 5.7
5.5 5.4 5.3 5.2
5.0 4.9
1600°
1538°C
1493°C
In the diagram, the letter L indicates
that it is a liquid. Indicate its
components in the upper region
where only L is indicated.
The
iron-iron carbide phase
diagram.
Temperature (°C)
1400
8
1394°C
y+L
1200
2.14
y, Austenite
10000
912°C
800a
0.76
0.022
600
400
(Fe)
a, Ferrite
Composition (at% C)
15
1147°C
a + Fe3C
2
3
Composition (wt% C)
L
2500
4.30
2000
y + Fe3C
727°C
1500
Cementite (Fe3C)
1000
4
5
6
6.70
Temperature (°F)
Chapter 2 Solutions
ORGANIC CHEMISTRY, WITH SOL. MAN/ STUDY
Ch. 2.1 - Prob. 1LTSCh. 2.1 - Prob. 1PTSCh. 2.1 - Prob. 2ATSCh. 2.2 - Prob. 2LTSCh. 2.2 - Prob. 3PTSCh. 2.2 - Prob. 4ATSCh. 2.2 - Prob. 3LTSCh. 2.2 - Prob. 5PTSCh. 2.2 - Certain compounds that are alternatives to fossil...Ch. 2.3 - Prob. 7CC
Ch. 2.5 - Prob. 4LTSCh. 2.5 - Prob. 8PTSCh. 2.5 - The rich and varied flavors of toasted bread,...Ch. 2.5 - Prob. 5LTSCh. 2.5 - Prob. 10PTSCh. 2.5 - Prob. 11ATSCh. 2.8 - Prob. 6LTSCh. 2.8 - Prob. 12PTSCh. 2.8 - Prob. 13PTSCh. 2.8 - Prob. 14ATSCh. 2.9 - Prob. 7LTSCh. 2.9 - Prob. 15PTSCh. 2.9 - Prob. 16PTSCh. 2.9 - The cation 1 has been shown to lose a proton (H+)...Ch. 2.10 - Prob. 18CCCh. 2.10 - Prob. 19CCCh. 2.10 - Prob. 20CCCh. 2.10 - Prob. 21CCCh. 2.10 - Prob. 22CCCh. 2.10 - Prob. 23CCCh. 2.10 - Prob. 24CCCh. 2.10 - Prob. 25CCCh. 2.11 - Prob. 8LTSCh. 2.11 - Prob. 26PTSCh. 2.11 - Prob. 27ATSCh. 2.11 - Prob. 28ATSCh. 2.12 - Prob. 9LTSCh. 2.12 - Prob. 29PTSCh. 2.12 - The dragmacidin class of natural products has been...Ch. 2.13 - Prob. 10LTSCh. 2.13 - Prob. 31PTSCh. 2.13 - Prob. 32ATSCh. 2.13 - Prob. 33ATSCh. 2 - Prob. 34PPCh. 2 - Prob. 35PPCh. 2 - Prob. 36PPCh. 2 - Prob. 37PPCh. 2 - Prob. 38PPCh. 2 - Prob. 39PPCh. 2 - Prob. 40PPCh. 2 - Prob. 41PPCh. 2 - Prob. 42PPCh. 2 - Prob. 43PPCh. 2 - Prob. 44PPCh. 2 - Amino acids are biological compounds with the...Ch. 2 - Prob. 46PPCh. 2 - Prob. 47PPCh. 2 - Prob. 48PPCh. 2 - Prob. 49PPCh. 2 - Prob. 50PPCh. 2 - Prob. 51PPCh. 2 - Prob. 52PPCh. 2 - Prob. 53PPCh. 2 - Prob. 54PPCh. 2 - Prob. 55PPCh. 2 - Prob. 56PPCh. 2 - Prob. 57PPCh. 2 - Prob. 58PPCh. 2 - Prob. 59PPCh. 2 - Prob. 60PPCh. 2 - Prob. 61PPCh. 2 - Prob. 62PPCh. 2 - Enamines, compounds with an amino group attached...Ch. 2 - Prob. 64IPCh. 2 - Ramelteon is a hypnotic agent used in the...Ch. 2 - Prob. 66IPCh. 2 - Prob. 67IPCh. 2 - Prob. 68IPCh. 2 - The natural products 3 and 4 have similar core...Ch. 2 - Prob. 70IPCh. 2 - Prob. 71IPCh. 2 - Prob. 72IPCh. 2 - Prob. 73IPCh. 2 - Prob. 74IPCh. 2 - Prob. 75IPCh. 2 - Coumarin and its derivatives exhibit a broad array...Ch. 2 - Prob. 77IPCh. 2 - Prob. 78IPCh. 2 - Prob. 79IPCh. 2 - Prob. 80IPCh. 2 - Prob. 81CPCh. 2 - Prob. 82CPCh. 2 - Prob. 83CPCh. 2 - Prob. 84CP
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