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COMEDK2016ChemistryIonic Equilibrium

Which of the following is not an amphoteric substance?

Options

  1. AH ₂ O
  2. BNH ₃
  3. CHNO ₃
  4. DHCO ₃⁻

Correct answer

C. HNO ₃

Step-by-step solution

HNO ₃ is not an amphoteric substance as, it behave only as acid. It can only donate H ⁺ ions. While, substance like HCO ₃⁻, H ₂ O , and NH ₃ can act as both donor and acceptor to H ⁺ ions, so they are amphoteric in nature.

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