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IB Biology HL A1.1.2 Water Polarity and Hydrogen Bonds Question Bank

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 hydrogen-bond formation from water polarity and partial charges.
  • Link hydrogen bonding to thermal properties, sweat cooling and water behaviour.

A1.1.2—Hydrogen bonds in water question 1

[Maximum number: 2]

The figure represents a water molecule.

Figure for Question A1.1.2—Hydrogen bonds in water 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.

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