What is the substance that forms hydronium ions in water (Arrhenius)?

1 Answer
Jun 6, 2017

Substances which form hydronium ions (#H_3O^+#) in water are known as Arrhenius Acids.

Explanation:

According to Arrhenius' concept of acids, an acid is such a compound which when dissolved in water, releases proton(s) or #H^+#.

Now as an Arrhenius acid releases #H^+#, the proton combines with a #H_2O# molecule to produce a #H_3O^+# ion which is an hydronium ion.

Examples of Arrhenius Acids -

#HCl, H_2SO_4, HNO_3, HBr, HI, HClO_4#