29) weaker is the intermolecular attraction/force among the molecule easier beco

Question

29) weaker is the intermolecular attraction/force among the molecule easier becomes the escaping tendency of the molecules from liquid to gaseous state and exert a higher vapour presuure. On the otherhand, stronger is the intermolecular attraction/force among the molecule harder becomes the escaping tendency of the molecules from liquid to gaseous state and exert a lower vapour presuure. In this context, C3H6O(l) having a higher vapour pressure will have the weakest intermolecular force of attraction.

Explanation / Answer

29. Equilibrium Substance Vapor Pressure at 20°C (torr) CsHio(l) C2HsOH() C3HsO (D) CsH12() 185 78 Based on the data in the table above, which of the following liquid substances has the weakest intermolecular forces? (A) CsHio(D) (B) CHsOH(O) (C) C3HsO () (D) CsHi2(U

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