Question

MCQ : Which one is not an Arrhenius acid?

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Answer

Question

Which one is not an Arrhenius acid?

  1. HCl
  2. HF
  3. HNO3
  4. C2H2

Answer

C2H2

Explanation

C2H2 is not an Arrhenius acid because it does not produce H+ ions in water. The other three acids ionize in water to produce H+ ions.

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