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Question: What is the reaction given below called? \(H_{2}O_{(I)} + H_{2}O_{(l)}\) \(H_{3}{O^{+}}_{(aq)} + O{...

What is the reaction given below called?

H2O(I)+H2O(l)H_{2}O_{(I)} + H_{2}O_{(l)} H3O+(aq)+OH−(aq)H_{3}{O^{+}}_{(aq)} + O{H^{-}}_{(aq)}

A

Hydrolysis of water

B

Hydration of water

C

Disproportionation of water

D

Auto-protolysis of water

Answer

Auto-protolysis of water

Explanation

Solution

: The reaction in which two molecules of the same species react to give ions by proton transfer is known as auto-protolysis or self ionization. In this reaction, proton from one H2OH_{2}Omolecule is transferred to another H2OH_{2}Omolecule.

H2O(l)+H2O(l)H_{2}O_{(l)} + H_{2}O_{(l)} H3O+(aq)+OH−(aq)H_{3}{O^{+}}_{(aq)} + O{H^{-}}_{(aq)}