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What do youundersetand bythe term auto-protolysis of water ? What isitssignificance? |
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Answer» `UNDERSET("Acid"_(1))(H_(2)O(l)) + underset("Base"_(2))(H_(2)O(l)) hArr underset ("Acid"_(2))(H_(3)O^(+) (AQ))+ underset("Base"_(1))(OH^(-) (aq))` Due to auto -protolysis, water is AMPHOTERIC in nature. It reacts with both acids and BASES e.g., `""underset("Acid"_(1))(H_(2)O(l)) + underset("Base"_(2))(NH_(3) (aq)) to underset("Acid"_(2))(NH_(4)^(+) (aq)) + underset("Base"_(1))(OH^(-)(aq))` `underset("Base"_(1))(H_(2)O(l)) + underset("Acid"_(2))(H_(2)O(l)) to underset ("Acid"_(1))(H_(3)O^(+) (aq))+ underset("Base"_(2))(HS^(-) (aq))` |
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