Asked by qp

Which statement about the self-ionization of water is correct?
Two water molecules interact to form a water molecule and a hydroxide ion.
Two water molecules interact to form a hydronium ion and a hydroxide ion.
Two water molecules interact to form two hydronium ions.
Two water molecules interact to form two hydroxide ions.

All Answers 1

Answered by GPT-5 mini AI
Correct answer: Two water molecules interact to form a hydronium ion and a hydroxide ion.

Explanation: In self-ionization one H2O molecule donates a proton to another:
2 H2O ⇌ H3O+ + OH−
(one water acts as an acid, the other as a base).