![]() Predict the molecular shape of methane Tetrahedral Predict the molecular shape of the carbonate ion Trigonal planar (120 degrees) Predict the molecular shape of carbon dioxide Linear Predict the molecular shape of the sulfite ion Trigonal pyramidal Indicate the electron pair geometry and the molecular geometry for each of the six compounds. H has a partial positive charge, F has a partial negative charge. Smallest dipole moment Identify the charge distribution of hydrogen fluoride. ![]() H2O: polar bonds, polar molecule Given six molecules, identify the molecules with polar bonds and the molecules that are polar.ĬH3Cl Analyze the polarity of each bond in the organic compound C2H2OCl2Ī) Which bond, other than the C−C bond, is the least polar in the molecule?ī) Which carbon atom has the most partial positive character? a) C-Hī) The carbon bonded to the oxygen Arrange the given bent molecules in order of decreasing dipole moment. H2O BeCl2: polar bonds, nonpolar molecule Which of these molecules are polar?ĬH2Cl2 For each molecule, specify the polarity of the bonds and the overall polarity of the molecule. O−F C-O The Lewis structures of four compounds are given. Least electronegative Which bond would you expect to be the most polar? Lowest vapor pressure Arrange these elements according to electronegativity. Lowest vapor pressure Arrange these compounds by their expected vapor pressure. He Arrange these compounds by their expected vapor pressure. London dispersion forcesĭipole-dipole interactions Arrange the compounds from lowest boiling point to highest boiling point. C4H10: dispersion forcesĬ3H6O: dipole-dipole interactions, dispersion forcesĬ3H8O: hydrogen bonds, dipole-dipole interactions, dispersion forces Select the intermolecular forces present between CH2O molecules. Propanoic acid 2-methyl-2-butene Select the intermolecular forces present in a liquid sample of each compound. Select the compound that has the highest boiling point, based on that compound's dominant intermolecular force.ġ-fluropentane 1-pentanol Select the compound that has the lowest boiling point, based on that compound's dominant intermolecular force. ![]() Water moves up a narrow tube due to capillary action. Sucrose is hydrolyzed into fructose and glucose The rubber in tires is covalently cross-linked through vulcanization. London dispersion forces: CH4 Which of the substances have polar interactions (dipole-dipole forces) between molecules? ClF, NF3 Match each event with the dominant type of force overcome or formed. Identify the predominant intermolecular force in each of these substances.
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