Chemistry Intermolecular Forces Solution: The table below shows the normal boiling points of...

Solution: The table below shows the normal boiling points of benzene and benzene derivatives.Which of these compounds exhibit dispersion interactions?

Problem

The table below shows the normal boiling points of benzene and benzene derivatives.

C6H6, benzene, is a six membered ring with alternating single and double bonds and a normal boiling point of 80 degrees celsius.  C6H5Cl, chlorobenzene, is a benzene ring with a chlorine atom attached to one of the carbons instead of a hydrogen and a normal boiling point of 132 degrees celsius.  C6H5Br, bromobenzene, is a benzene ring with a bromine atom attached to one of the carbons instead of a hydrogen atom and a normal boiling point of 156 degrees celsius.  C6H5OH, called phenol or hydroxybenzene, is a benzene ring with an OH attached to one of the carbons instead of a hydrogen and a normal boiling point of 182 degrees celsius.

Which of these compounds exhibit dispersion interactions?

Solution

Recall: Dispersion forces is a type of intermolecular force occurring on all compounds and is the weakest among the various intermolecular forces. It is the primary intermolecular force exhibited by non-polar covalent compounds.

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