Which of the following are present in a dilute
Question:

Which of the following are present in a dilute aqueous solution of hydrochloric acid ?

(a) H3O+ + Cl

(b) H3O+ + OH

(c) Cl + OH

(d) unionised HCl

Solution:

(a). HCl will react with water as follows :

HCl (l) + H2O(l) ———> H3O+(aq) + Cl(aq)

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