A single chemical bond , a double bound a triple bound according to the three major bonding theories Lewis model, valance bond theory and molecular orbital theory is similar or different. Concept Introduction: According to Lewis theory, a bond is formed by sharing of a pair of electrons between two atoms. So, a double and triple bond involve sharing of four and six electrons, respectively, between the two atoms. Bond theory says that the sigma overlap of two orbitals forms a single bond. A double bond is asigma bond accompanied by a pi bond while a triple bond is a sigma bond accompanied by twopi bonds. The molecular orbital theory defines a single, double, and triple bond in terms of bond orders of 1, 2, and 3 between the two atoms. This bond order is calculated from the number of electrons in thebonding and antibonding molecular orbitals in the molecular orbital diagram.
A single chemical bond , a double bound a triple bound according to the three major bonding theories Lewis model, valance bond theory and molecular orbital theory is similar or different. Concept Introduction: According to Lewis theory, a bond is formed by sharing of a pair of electrons between two atoms. So, a double and triple bond involve sharing of four and six electrons, respectively, between the two atoms. Bond theory says that the sigma overlap of two orbitals forms a single bond. A double bond is asigma bond accompanied by a pi bond while a triple bond is a sigma bond accompanied by twopi bonds. The molecular orbital theory defines a single, double, and triple bond in terms of bond orders of 1, 2, and 3 between the two atoms. This bond order is calculated from the number of electrons in thebonding and antibonding molecular orbitals in the molecular orbital diagram.
Definition Definition Theory that explains how individual atomic orbitals with an unpaired electron each, come close to each other and overlap to form a molecular orbital giving a covalent bond. VBT gives a quantum mechanical approach to the formation of covalent bonds with the help of wave functions using attractive and repulsive energies when two atoms are brought from infinity to their internuclear distance.
Chapter 10, Problem 111E
Interpretation Introduction
Interpretation: A single chemical bond, a double bound a triple bound according to the three major bonding theories Lewis model, valance bond theory and molecular orbital theory is similar or different.
Concept Introduction:
According to Lewis theory, a bond is formed by sharing of a pair of electrons between two atoms. So, a double and triple bond involve sharing of four and six electrons, respectively, between the two atoms.
Bond theory says that the sigma overlap of two orbitals forms a single bond. A double bond is asigma bond accompanied by a pi bond while a triple bond is a sigma bond accompanied by twopi bonds.
The molecular orbital theory defines a single, double, and triple bond in terms of bond orders of 1, 2, and 3 between the two atoms. This bond order is calculated from the number of electrons in thebonding and antibonding molecular orbitals in the molecular orbital diagram.
10.
Stereochemistry. Assign R/S stereochemistry for the chiral center indicated on the
following compound. In order to recieve full credit, you MUST SHOW YOUR WORK!
H₂N
CI
OH
CI
カー
11. () Stereochemistry. Draw all possible stereoisomers of the following compound. Assign
R/S configurations for all stereoisomers and indicate the relationship between each as
enantiomer, diastereomer, or meso.
NH2
H
HNH,
-18
b)
8.
Indicate whether the following carbocation rearrangements are likely to occur
Please explain your rational using 10 words or less
not likely to occur
• The double bond is still in the
Same position
+
Likely
to oc
occur
WHY?
-3
H3C
Brave
Chair Conformers. Draw the chair conformer of the following substituted
cyclohexane. Peform a RING FLIP and indicate the most stable
conformation and briefly explain why using 20 words or less.
CI
2
-cobs ??
MUST INDICATE H -2
-2
Br
EQ
Cl
OR
AT
Br
H&
most stable
WHY?
- 4
CH
12
Conformational Analysis. Draw all 6 conformers (one above each letter) of the
compound below looking down the indicated bond. Write the letter of the
conformer with the HIGHEST and LOWEST in energies on the lines provided.
NOTE: Conformer A MUST be the specific conformer of the structure as drawn below
-4 NOT
HOH
OH
3
Conformer A:
Br
OH
A
Samo
Br H
04
Br
H
H3
CH₂
H
anti
stagere
Br CH
clipsed
H
Brott
H
IV
H
MISSING 2
-2
B
C
D
E
F
X
6
Conformer with HIGHEST ENERGY:
13. (1
structure
LOWEST ENERGY:
Nomenclature. a) Give the systematic (IUPAC) name structure. b) Draw the
corresponding to this name. HINT: Do not forget to indicate stereochemistry
when applicable.
a)
८८
2
"Br
{t༐B,gt)-bemn€-nehpརི་ཚ༐lnoa
Parent name (noname)
4 Bromo
Sub = 2-methylethyl-4 Bromo nonane
b) (3R,4S)-3-chloro-4-ethyl-2,7-dimethyloctane
# -2
-2
Chapter 10 Solutions
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