IB Biology SL A1.1.2 Hydrogen Bonds in Water Questions

Understand how water’s V-shaped molecules create polarity, form hydrogen bonds with neighbours and produce thermal properties that matter to living cells.

Exam points

Show the partial charges that form intermolecular hydrogen bonds between water molecules.
Explain how polarity and hydrogen bonding produce water’s high thermal capacity, liquid range or evaporative cooling.

[Maximum number: 2]

The diagram shows the structure of part of a fungus.

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

Water is the main component of vacuoles and cytoplasm in fungi. Draw a diagram to show the structure of a water molecule.

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