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Van der Waals bonds occur in many molecules, but hydrogen bonds occur only with materials that contain hydrogen. Why is this type of bond unique to hydrogen?
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Why hydrogen bonds occur only with materials that contain hydrogen.
Answer to Problem 42.1DQ
The hydrogen bonds occur only with materials that contain hydrogen because only hydrogen has a singly ionized state with no remaining electron cloud.
Explanation of Solution
Explanation:
Hydrogen bond is an attraction between hydrogen bound to a more electronegative atom and another adjacent atom having a lone pair of electrons. It is stronger than van der Waals bond while weaker than ionic and covalent bonds.
In hydrogen bond, a proton gets between two atoms, polarizing them and attracting them by means of the induced dipoles. Hydrogen bond is unique to hydrogen containing compounds because only hydrogen has a singly ionized state with no remaining electron cloud. The hydrogen ion is a bare proton, much smaller than any other singly ionized atom.
Conclusion:
Thus the hydrogen bonds occur only with materials that contain hydrogen because only hydrogen has a singly ionized state with no remaining electron cloud.
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Chapter 42 Solutions
Mastering Physics with Pearson eText -- Standalone Access Card -- for University Physics with Modern Physics (14th Edition)
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