All the constitutional isomers of C 9 H 12 , that contain a benzene ring, are to be drawn. Concept introduction: Constitutional isomers have the same molecular formula. They differ in the connectivity of the atoms. They do not interconvert and can be separated from each other. When drawing the constitutional isomers for a given molecular formula, the first step is to determine the IHD. This allows to find out the possible number of double bonds, triple bonds, or rings in each isomer. Then all possible isomers are drawn, omitting double bonds, triple bonds, and halogen atoms. Finally, double and triple bonds are added at various locations to generate as many structures as possible. Halogen atoms are added to form as many unique connectivities as possible.

Question

1) a) Give the dominant Intermolecular Force (IMF) in a sample of each of the following compounds. Please show your work. (8) SF2, CH,OH, C₂H₂ b) Based on your answers given above, list the compounds in order of their Boiling Point from low to high. (8)

Answer 1

Question

Chapter 4, Problem 4.63P

Interpretation Introduction

Interpretation:

All the constitutional isomers of C9H12, that contain a benzene ring, are to be drawn.

Concept introduction:

Constitutional isomers have the same molecular formula. They differ in the connectivity of the atoms. They do not interconvert and can be separated from each other. When drawing the constitutional isomers for a given molecular formula, the first step is to determine the IHD. This allows to find out the possible number of double bonds, triple bonds, or rings in each isomer. Then all possible isomers are drawn, omitting double bonds, triple bonds, and halogen atoms. Finally, double and triple bonds are added at various locations to generate as many structures as possible. Halogen atoms are added to form as many unique connectivities as possible.

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1) a) Give the dominant Intermolecular Force (IMF) in a sample of each of the following compounds. Please show your work. (8) SF2, CH,OH, C₂H₂ b) Based on your answers given above, list the compounds in order of their Boiling Point from low to high. (8)

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