Fewpal
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What do you understand by the term ’auto-protolysis’ of water? What is its significance? 

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Auto-protolysis (self-ionization) of water is a chemical reaction in which two water molecules react to produce a hydroxide ion (OH) and a hydronium ion (H3O+). 

The reaction involved can be represented as: 

Auto-protolysis of water indicates its amphoteric nature i.e., its ability to act as an acid as well as a base. 

The acid-base reaction can be written as: 

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