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JEE Main2002ChemistryIonic EquilibriumActual

Species acting as both Bronsted acid and base is

Options

  1. A( HSO ₄ )⁻¹
  2. BNa ₂ CO ₃
  3. CNH ₃
  4. DOH ⁻¹

Correct answer

A. ( HSO ₄ )⁻¹

Step-by-step solution

( HSO ₄ )⁻ can accept and donate a proton ( HSO ₄ )⁻+ H ⁺ H ₂ SO ₄ ( HSO ₄ )⁻- H ⁺ SO ₄²⁻

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