Respuesta :

The substance that accepts electron-pairs is acids. Bases accept protons.
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Answer : The correct option is Acid.

Explanation :

  • Acid : Acids are those which accepts an electron-pairs.
  • Base : Bases are those which donates ab electron-pairs.
  • Alkali : It is a base that dissolves in water. It is basically a base and the pH greater than 7.
  • Hydroxide ion : It is a poly-atomic ion which is negatively charged.

Therefore, the acid is a substance which accepts an electron-pair.