Which of the following ions is acidic?

By: |Published on: Oct 15|Categories: Chemistry JAMB| 0 comments

A. K+
B. KNO3−
C. S²−
D. H3O+

Correct Answer:

Option D – H3O+

Explanation

Acids are substances which produce hydrogen ions (or protons) as the only positive ion when dissolved in water.

H3O+→2H+ + OH−

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