The ttractive forces between the partial positive end of one molecule and partial negative end of other molecule are called________________?
Correct answer: A. Dipole-dipole forces
- A. Dipole-dipole forces
- B. Ion dipole-dipole forces
- C. London dispersion forces
- D. Debye forces
Explanation
Dipole-dipole forces are attractions between the partial positive end of one polar molecule and the partial negative end of another polar molecule. Students may choose London forces, option c, by treating all intermolecular attractions as dispersion forces, although London forces arise from temporary instantaneous dipoles.
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About Properties of Liquids
Liquid behavior depends on intermolecular forces, which produce surface tension, viscosity, capillary action and a definite volume without a fixed shape. The topic also covers vapor pressure, evaporation, boiling point and the effect of temperature and external pressure, while distinguishing evaporation at the surface from boiling throughout the liquid.
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