Given the balanced equation representing a reaction:

H2O + HCl ==> H3O+ + Cl-
According to one acid-base theory, the H2O molecule
(1) accepts H+ ions (3) donate H+ ions
(2) accepts OH- ions (4) donates OH- ions



Answer :

(1) accepts H+ ions..................

The statement, that describes acid-base theory in which the H2O molecule is "accepts [tex]H^{+}[/tex] ions."

What is an acid-base theory?

An acid is a compound that accepts a pair of electrons. A base is a generator of electron pairs. This is the broadest theory of acids and bases. Water can serve as both an acid and a base in solution, and it can also be both an acid and a base to itself. Water takes hydrogen ions and behaves as a base when coupled with an acid. When water is combined with a base, it gives hydrogen ions and so behaves as an acid. Using the balanced equation, the water molecule acts a acid which accepts  the hydrogen ion. to form hydronium ion.

Hence the correct option is 1.

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