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Chemical synthesis — Question 7

QCAA 2025, Paper 2 · 4 marks

Q7 · 2025 · Paper 2Unclassified4 marks

QUESTION 7 (4 marks)

Contrast the operation of a hydrogen fuel cell under acidic conditions and a hydrogen fuel cell under alkaline conditions by completing the table.

Contrast

Hydrogen fuel cell

Acidic conditions

Alkaline conditions

Electrolyte used

Movement of ions

Note: If you make a mistake, cancel it by ruling a single diagonal line through your work and use the additional response space at the back of this book.

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