Autoprotolysis

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Ayush Ray 1I
Posts: 53
Joined: Sat Sep 14, 2019 12:15 am

Autoprotolysis

Postby Ayush Ray 1I » Tue Nov 12, 2019 12:57 pm

What exactly is autoprotolysis? Also, can someone please explain what the autoprotolysis constant represents.

Kavya Immadisetty 2B
Posts: 106
Joined: Sat Aug 24, 2019 12:17 am
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Re: Autoprotolysis

Postby Kavya Immadisetty 2B » Wed Nov 13, 2019 2:47 pm

Autoprotolysis is when a proton (H+) is transferred from 1 molecule to another molecule that is identical to the first. For example: 2 H2O --> H3O+ +OH- in that reaction, a proton is transferred from 1 water to another, making 1 a bronsted base and the other a bronsted acid.

The autoprotolysis constant represents the equilibrium constant for the equation above. So the fact that the constant is pretty small (10-14ish) means that in a body of water, most of the molecules exist as H2O.


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