Chemistry 5070 · O Level · Hydrogen–oxygen fuel cells

Hydrogen–oxygen fuel cells — practice question

Which row gives one benefit and one drawback of using a hydrogen-oxygen fuel cell to power a road vehicle?

  • AAdvantage: The fuel cell obtains the oxygen from the air. Disadvantage: The hydrogen has to be stored in a very strong tank.
  • BAdvantage: The fuel cell obtains the oxygen from the air. Disadvantage: The only chemical product causes acid rain.
  • CAdvantage: The fuel cell obtains the oxygen from water. Disadvantage: The hydrogen has to be stored in a very strong tank.
  • DAdvantage: The fuel cell obtains the oxygen from water. Disadvantage: The only chemical product causes acid rain.

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