Question

H${}^{+}$ ions exist in aqueous solution as _____________.

• A. H${}^{+}$ ions.
• B. OH${}^{-}$ ions.
• C. H${}_3$O${}^{+}$ ions.
• D. All of these.

Answer 1

The correct option is C H${}_3$O${}^{+}$ ions.

$H_{2}O$ act as both acid as well as base, in aqueous solution $H_{2}O$ from adative bond with $H^{+}$ ions as

$H_{2}O+H^{+}⟶H_3{O}^{+}$ (hydroneium ion)