From General Chemistry 9th Edition Ebbing Gammon 11.30 You are presented with th

Question

From General Chemistry 9th Edition Ebbing Gammon 11.30

You are presented with three bottles, each containing a different liquid: bottle A, bottle B, and bottle C. Bottle A's label states that it is an ionic compound with a boiling point of 35degreeC. Bottle B's label states that it is a molecular compound with a boiling point of 29.2degreeC. Bottle C's label states that it is a molecular compound with a boiling point of 67.1degreeC. Which of the compounds is most likely to be incorrectly identified? If Bottle A were a molecular compound, which of the compounds has the strongest intermolecular attractions? If Bottle A were a molecular compound, which of the compounds would have the highest vapor pressure?

Explanation / Answer

a.) Bottle A is most likely misabled. if it is an ionic compound, the boiling point should be higher than 35 degrees celsius. most ionic compounds are solids, with high melting points

b.) The substance with the highest boiling point will have strong intermolecular attractions.thus, compound in bottle C has the strongest intermolecular attractions.

c.) The substance with the lowest boiling point will have the highest vapour pressure. Thus the substance in bottle B will have highest vapour pressure

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