Question:

Which of the following is a strong acid?

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Key Fact: Strong acids dissociate completely in water. Common examples include HCl, HNO\(_3\), and H\(_2\)SO\(_4\).
Updated On: May 28, 2025
  • CH\(_3\)COOH
  • HCl
  • NH\(_4^+\)
  • H\(_2\)CO\(_3\)
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The Correct Option is B

Solution and Explanation

  • HCl is a strong acid because it completely dissociates in water.
  • CH\(_3\)COOH (acetic aci(D) is a weak acid.
  • NH\(_4^+\) is a weak acid (conjugate acid of NH\(_3\)).
  • H\(_2\)CO\(_3\) (carbonic aci(D) is a weak diprotic acid.
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