Multiple Choice
Which statement accurately describes part of the dissolving process of a polar solute in water?
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6. Chemical Quantities & Aqueous Reactions
Solubility Rules
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Which statement best explains why sugar (C_12H_22O_11) dissolves easily in water?
A
Water is nonpolar and dissolves all nonpolar substances like sugar.
B
Sugar molecules form hydrogen bonds with water molecules, allowing them to disperse throughout the solution.
C
Sugar is ionic and dissociates into ions in water.
D
Sugar reacts chemically with water to form a new compound.
Verified step by step guidance1
Identify the nature of sugar (C\_12H\_22O\_11): it is a molecular compound composed of many hydroxyl (–OH) groups, which are polar.
Recall that water is a polar solvent, meaning it has partial positive and negative charges that can interact with other polar molecules.
Understand the principle 'like dissolves like,' which means polar substances tend to dissolve well in polar solvents due to intermolecular attractions.
Recognize that sugar molecules can form hydrogen bonds with water molecules because both have polar –OH groups capable of hydrogen bonding.
Conclude that these hydrogen bonds allow sugar molecules to disperse evenly in water, explaining why sugar dissolves easily without dissociating into ions or reacting chemically.
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