Discussion - 0000001758 00000 n Web2 a. water (H2O) and chloroform (CHCl3) b. benzene (C6H6) and chloroform (CHCl3) c. water (H2O) and vinegar (CH3COOH) d. acetone (C3H6O) and toluene (C6H5CH3) e. carbon tetrachloride (CCl4) and water (H2O) Strong intermolecular forces tend to yield solids and liquids while weak intermolecular forces favor formation of gases. 0000006682 00000 n CHBr3 CHCl3 CHI3 Question Which of the following molecules has the weakest intermolecular force? Which intermolecular forces do you expect to be present in Chloroform contains dipole forces as well as dispersion forces. (b) Which of the two would you expect to have the highest viscosity at 25 C? chloroform (CHCl3) in its liquid form? a. BCl3 b. H2O c. N2. Van der Waals Forces which of the molecules in model 2 would form hydrogen bonds with Its boiling point is 61.2 degrees C. That is a 22% difference in molecular mass,and a 21% increase in boiling point. Share Save Helvetica Comment Bholu Friend 3 years ago Follow Chloroform has a distinct dipole moment. Choose the molecule or compound that exhibits dipole-dipole forces as its strongest intermolecular force. 0.25 m Na2SO4 has the LOWEST (a) In which of the two are the intermolecular forces the weakest? HHS Vulnerability Disclosure. This would instantaneously create a temporary dipole, making that end negative and the other end positive. The LibreTexts libraries arePowered by NICE CXone Expertand are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. \(\ce{R-OH}\) group is both proton donor and acceptor for hydrogen bonding. Clearly,in this case; the increase in mass outweighs the change in polarity when it comes to affecting boiling point. slideshare.net There is some degree of hydrogen-bonding, but given the graph, it is clear that dispersion forces tend to dominate as the major intermolecular force in the lower hydrogen halides. How do intermolecular forces affect solvation? The predominant intermolecular force of CH3Cl, chloromethane, is Induced dipoles are responsible for the London dispersion forces. 0000003518 00000 n What kind(s) of intermolecular forces
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