CourseCourseConceptConceptDocumentDocument

Edexcel A-Level Chemistry AS 7.6 Factors That Influence the Choice of Solvents Questions

Use marked Edexcel IAL Chemistry questions to match solute and solvent intermolecular forces, explain hydration and hydrogen bonding, and interpret solubility and extraction layers.

Syllabus
First assessment 2019
Course
Chemistry YCH11
Level
AS

Exam points

  • Identify ion–dipole attraction between ions and polar solvent molecules.
  • Explain alcohol or ionic-solute water solubility through hydrogen bonding or hydration.
  • Choose a non-aqueous solvent by matching attractions and interpret extraction-layer density.

Edexcel A-Level Chemistry AS 7.6 Factors That Influence the Choice of Solvents Questions question 1

[Maximum number: 3]

This question is about alcohols with the molecular formula C6H14O\mathrm{C}_{6} \mathrm{H}_{14} \mathrm{O}.

Two primary C6H14O\mathrm{C}_{6} \mathrm{H}_{14} \mathrm{O} alcohols, A and B, are shown.

alcohol A

alcohol A

Figure for Question Edexcel A-Level Chemistry AS 7.6 Factors That Influence the Choice of Solvents Questions question 1 — Edexcel A-Level Chemistry AS

Explain why alcohol B is completely soluble in ethanol but only slightly soluble in water.
A detailed description of the forces involved is not required.

All question bank results loaded