Question
Sat January 22, 2011 By: Prashant Khurana
 

if water is made up of covalent bonds then why does it ionise into h+ and o- when electricity is passed through it

Expert Reply
Sun January 23, 2011
Dear Student
 
This is because water is a polar covalent compound. This molecule slightly dissociates disproportionately into the hydronium ion (H3O+(aq)) and an associated hydroxide ion (OH−(aq)).
 
 
We hope that clarifies your query.
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