Interpretation: To explain the role of hydrogen bonding in ice.
Concept Introduction: A hydrogen bond is a bond between hydrogen and the other pair of atoms with high electronegativity. Hydrogen bonding can occur between the atoms of the same molecule or the atoms of another molecule. It is comparatively weaker than an ionic and covalent bond.
Answer to Problem 33A
In ice, hydrogen bonding is necessary to maintain the crystal structure of the ice.
Explanation of Solution
Ice is formed from water due to the decrease in temperature at a particular pressure. A single water molecule in ice is bonded to four other water molecules. This arrangement will assure strong hydrogen bonding in a uniform extended crystal of ice. Hydrogen bonding helps in holding the water molecule which helps in maintaining the structure of the crystal ice.
This hydrogen bonding is formed because of the electrostatic force of attraction between the hydrogen atom and another atom with higher electronegativity or lone pair of electrons. This is the strongest intermolecular force of attraction. In the case of ice, this helps in forming the crystal structure.
Chapter 15 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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