Chapter 9, Problem 104A

How will aqueous solutions of sucrose and hydrogen chloride differ?

Interpretation Introduction

Interpretation:

The difference between the aqueous solutions of sucrose and hydrogen chloride needs to be explained.

Concept introduction: Sucrose is a disaccharide molecule with molecular formula ${\text{C}}_{\text{12}}{\text{H}}_{\text{22}}{\text{O}}_{\text{11}}$.

Hydrogen chloride has the formula HCl. HCl is a colorless gas at room temperature.

Answer to Problem 104A

In Aqueous solution, Sucrose does not dissociate but HCl molecules dissociates.

Explanation of Solution

Hydrogen chloride is a molecular compound with polar covalent bonds while sucrose is a carbohydrate with non-polar covalent bonds. Sucrose doesn’t dissociate into ions when dissolved in water. Hydrogen chloride molecules dissociate into hydrogen ions and chloride ions when dissolved in water to form an aqueous solution.

Conclusion

Thus, in Aqueous solution, Sucrose does not dissociate but HCl molecules dissociates.