Dipole-dipole forces are stronger between the molecule when?
Correct answer: A. The electronegativity difference is higher
- A. The electronegativity difference is higher
- B. The electronegativity difference is less
- C. The molecules are far from each other
- D. The lectronegativity difference is zero
Explanation
Greater electronegativity difference means the molecule is polar, hence polar molecules have permanent dipole-dipole that are stronger than induced dipole-dipole forces which is because of less electronegativity difference.
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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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