CourseCourseConceptConceptDocsDocuments

IB Biology HL A1.1.2 Hydrogen Bonds in Water Questions

Practise IB Biology HL A1.1.2 by explaining how polarity and hydrogen bonding produce water properties such as cooling and a broad liquid range.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Explain or draw hydrogen-bond formation between polar water molecules using partial charges and correct intermolecular O–H attraction.
  • Relate hydrogen bonding to water’s thermal properties, liquid range and evaporative cooling in biological contexts.

Learn this topic

Study A1.1.2—Hydrogen bonds in water conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB Biology HL A1.1.2 Hydrogen Bonds in Water Questions question 1

[Maximum number: 2]

The figure represents a water molecule.

Figure for Question IB Biology HL A1.1.2 Hydrogen Bonds in Water Questions question 1 — IB Biology HL

Draw a second water molecule to show how bonds can form between water molecules, including the name of the bond.

All question bank results loaded