IMF f11-4

For which of the following is hydrogen bonding not a

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Unformatted text preview: gth with increasing mass Forces Involving Induced Dipoles Boiling Points of Hydrocarbons The magnitude of the induced dipole depends on the tendency to be distorted. Higher molec. weight → larger induced dipoles. Molecule Boiling Point (oC) CH4 (methane)  ­ 161.5 C2H6 (ethane)  ­ 88.6 C3H8 (propane)  ­ 42.1 C4H10 (butane)  ­ 0.5 Note linear rela<on between bp and molar mass. 3 9/6/11 Iden<fy the types of IMF’s each sample contains. •  For which of the following is hydrogen bonding NOT a factor? A) H2O B) NH3 C) CH4 D) CH3OH Different types of intermolecular forces •  Ionic bonds (ion ­ion force) •  Dipole ­dipole force (DD) A=rac<on between ions and permanent dipoles –  Force between two molecules with permanent dipoles •  Hydrogen bonding (HB) –  Force be...
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This document was uploaded on 03/02/2014.

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