The structure of disulfur dichloride should be determined. Concept introduction: VSEPR theory stands as Valence Shell Electron Pair Repulsion Theory. It helps to predict the molecular shape or geometry of the molecule with the help of the number of bond pairs or lone pairs present in it. According to the VSEPR theory, the presence of lone pair on the central atom of molecule causes deviation from standard molecular geometry. This is because of the repulsion between lone pairs and bond pairs of the central atom of the molecule. The order of repulsion is: Lone pair-lone pair > lone pair-bond pair > bond pair-bond pair Based on the number of lone pair and bond pair, the molecular geometry can be determined with the help of below table. Number of hybridization Bond pair Lone pair Geometry 2 2 0 Linear 2 1 1 Linear 3 3 0 Trigonal planar 3 2 1 Bent 4 4 0 Tetrahedral 4 3 1 Trigonal pyramidal 4 2 2 Bent 5 5 0 Trigonal bipyramidal 5 4 1 See saw 5 3 2 T shaped 5 2 3 Linear 6 6 0 Octahedral
The structure of disulfur dichloride should be determined. Concept introduction: VSEPR theory stands as Valence Shell Electron Pair Repulsion Theory. It helps to predict the molecular shape or geometry of the molecule with the help of the number of bond pairs or lone pairs present in it. According to the VSEPR theory, the presence of lone pair on the central atom of molecule causes deviation from standard molecular geometry. This is because of the repulsion between lone pairs and bond pairs of the central atom of the molecule. The order of repulsion is: Lone pair-lone pair > lone pair-bond pair > bond pair-bond pair Based on the number of lone pair and bond pair, the molecular geometry can be determined with the help of below table. Number of hybridization Bond pair Lone pair Geometry 2 2 0 Linear 2 1 1 Linear 3 3 0 Trigonal planar 3 2 1 Bent 4 4 0 Tetrahedral 4 3 1 Trigonal pyramidal 4 2 2 Bent 5 5 0 Trigonal bipyramidal 5 4 1 See saw 5 3 2 T shaped 5 2 3 Linear 6 6 0 Octahedral
Solution Summary: The author explains that the structure of disulfur dichloride is determined by the number of lone pairs present in the molecule.
The structure of disulfur dichloride should be determined.
Concept introduction:
VSEPR theory stands as Valence Shell Electron Pair Repulsion Theory. It helps to predict the molecular shape or geometry of the molecule with the help of the number of bond pairs or lone pairs present in it. According to the VSEPR theory, the presence of lone pair on the central atom of molecule causes deviation from standard molecular geometry. This is because of the repulsion between lone pairs and bond pairs of the central atom of the molecule. The order of repulsion is:
These are synthesis questions. You need to show how the starting material can be converted into
the product(s) shown. You may use any reactions we have learned. Show all the reagents you
need. Show each molecule synthesized along the way and be sure to pay attention to the
regiochemistry and stereochemistry preferences for each reaction. If a racemic molecule is made
along the way, you need to draw both enantiomers and label the mixture as "racemic".
All of the carbon atoms of the products must come from the starting material!
?
H
H
Q5: Draw every stereoisomer for 1-bromo-2-chloro-1,2-difluorocyclopentane. Clearly show
stereochemistry by drawing the wedge-and-dashed bonds. Describe the relationship
between each pair of the stereoisomers you have drawn.
Classify each pair of molecules according to whether or not they can participate in hydrogen bonding with one another.
Participate in hydrogen bonding
CH3COCH3 and CH3COCH2CH3
H2O and (CH3CH2)2CO
CH3COCH3 and CH₂ CHO
Answer Bank
Do not participate in hydrogen bonding
CH3CH2OH and HCHO
CH3COCH2CH3 and CH3OH
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